diff --git a/src/common/constants/error-message.js b/src/common/constants/error-message.js
index 877743f..0261a19 100644
--- a/src/common/constants/error-message.js
+++ b/src/common/constants/error-message.js
@@ -32,6 +32,8 @@ const ErrorMessage = Object.freeze({
     SEARCH_WORDS_ERROR: '검색 결과 조회 중 오류가 발생하였습니다.',
     GET_WORDS_ERROR: '단어 조회 중 오류가 발생하였습니다.',
     RANK_WORDS_ERROR: '인기 검색어 조회 중 오류가 발생하였습니다.',
+    RELATED_WORDS_ERROR: '연관 검색어 조회 중 오류가 발생하였습니다.',
+    REGISTER_WORDS_ERROR: '등록 요청 중 오류가 발생하였습니다.',
 
     // REQUEST
     GET_REQUESTS_ERROR: '요청 조회중 오류가 발생하였습니다.',
diff --git a/src/common/constants/success-message.js b/src/common/constants/success-message.js
index 54712d7..e9575e3 100644
--- a/src/common/constants/success-message.js
+++ b/src/common/constants/success-message.js
@@ -31,6 +31,9 @@ const SuccessMessage = Object.freeze({
     // WORD - 조회
     GET_WORDS_SUCCESS: '단어 조회 성공',
     RELATED_WORDS_SUCCESS: '연관 검색어 조회 성공',
+
+    // Word - 등록요청
+    REGISTER_WORDS_SUCCESS: '등록 요청 성공',
 });
 
 module.exports = SuccessMessage;
diff --git a/src/routes/user/user.controller.js b/src/routes/user/user.controller.js
index a2f8bec..c71e708 100755
--- a/src/routes/user/user.controller.js
+++ b/src/routes/user/user.controller.js
@@ -220,6 +220,24 @@ exports.delRecentSearch = async (req, res) => {
     }
 };
 
+// 새로운 단어 등록 및 수정
+exports.postWords = async (req, res) => {
+    try {
+        const { _id } = req.user;
+        const { nickname } = req.params; // URL 파라미터에서 nickname 추출
+        const { formData, type } = req.body; // formData와 type을 요청 본문에서 분리
+
+        const result = await userService.postWords(_id, formData, nickname, type);
+
+        sendResponse.ok(res, {
+            message: SuccessMessage.REGISTER_WORDS_SUCCESS,
+            data: result
+        });
+    } catch (error) {
+        console.log("Error during postWords:", error);
+        sendResponse.fail(req, res, ErrorMessage.REGISTER_WORDS_ERROR);
+    }
+};
 exports.UserRequests = async (req, res) => {
     try{
         const { _id } = req.user;
diff --git a/src/routes/user/user.repository.js b/src/routes/user/user.repository.js
index 1f4e8ed..30e815b 100644
--- a/src/routes/user/user.repository.js
+++ b/src/routes/user/user.repository.js
@@ -86,6 +86,57 @@ exports.updateRecentSearch = async (_id, searchTerm) => {
     }
 };
 
+// 단어 추가 및 수정
+exports.postWords = async (userId, formData, nickname, type) => {
+    try {
+        const user = await User.findById(userId).exec();
+        if (!user) {
+            throw new Error('User not found');
+        }
+
+        console.log("User before modification:", JSON.stringify(user.requests, null, 2));
+
+        if (type === 'add') {
+            user.requests.push({
+                word: formData.devTerm,
+                info: formData.addInfo,
+                awkPron: formData.awkPron,
+                comPron: formData.commonPron,
+                deletedAt: null,
+                status: 'pend',
+                type: 'add',
+                suggestedBy: nickname // nickname 추가
+            });
+        } else if (type === 'mod') {
+            const request = user.requests.find(req => req.word === formData.devTerm);
+            if (!request) {
+                user.requests.push({
+                    word: formData.devTerm,
+                    info: formData.addInfo,
+                    awkPron: formData.awkPron,
+                    comPron: formData.commonPron,
+                    deletedAt: null,
+                    status: 'pend',
+                    type: 'mod',
+                    suggestedBy: nickname // nickname 추가
+                })
+            } else {
+                console.log('이미 같은 단어 수정 요청이 존재합니다.');
+                throw new Error('Word not found');
+            }
+        } else {
+            throw new Error('Invalid type');
+        }
+
+        await user.save();
+        console.log("User after modification:", JSON.stringify(user.requests, null, 2));
+        return user.requests.find(req => req.word === formData.devTerm);
+    } catch (err) {
+        console.error(err);
+        throw err;
+    }
+};
+
 exports.getUserRequests = async (userId) => {
     try { 
         const user = await User.findById(userId).select('requests').exec();
@@ -153,7 +204,6 @@ exports.getRole = async (userId) => {
 
 exports.updateRequest = async (requestId, formData) => {
     try {
-        console.log("updateRequest 레포진입!!!!!!!!!!!!", requestId, formData)
         const user = await User.findOne({ 'requests._id': requestId }).select('requests').exec();
         if (!user) {
             throw new Error('User not found');
@@ -201,5 +251,4 @@ exports.updateRequestState = async (userId, requestId, status) => {
 
     } catch (err) {
         console.error(err);
-    }
-};
\ No newline at end of file
+    }}
\ No newline at end of file
diff --git a/src/routes/user/user.route.js b/src/routes/user/user.route.js
index 3b69344..9934f25 100644
--- a/src/routes/user/user.route.js
+++ b/src/routes/user/user.route.js
@@ -10,6 +10,7 @@ const {
     logout,
     recentSearches,
     delRecentSearch,
+    postWords,
     UserRequests,
     UserRequestsAll,
     deleteRequest,
@@ -17,7 +18,7 @@ const {
     getRole,
     updateRequestState,
 } = require('./user.controller');
-const { isLoggedIn, isNotLoggedIn } = require('../../common/utils/auth');
+const { isLoggedIn, isNotLoggedIn, isUser } = require('../../common/utils/auth');
 const userRouter = express.Router();
 
 // 회원가입
@@ -37,6 +38,10 @@ userRouter.get('/profile', isLoggedIn, getProfile);
 userRouter.get('/recent', isLoggedIn, recentSearches); // 최근 검색어 조회
 userRouter.delete('/:searchTerm', isLoggedIn, delRecentSearch); // 최근 검색어 삭제
 
+//등록 요청
+userRouter.post('/requests/:nickname/new', isLoggedIn, postWords);
+
+module.exports = userRouter;
 // 요청 조회
 userRouter.get('/requests', isLoggedIn, UserRequests); // 요청 목록 조회
 userRouter.get('/requests/all', isLoggedIn, UserRequestsAll); // 모든 요청 목록 조회
diff --git a/src/routes/user/user.service.js b/src/routes/user/user.service.js
index c49f202..53fb77e 100644
--- a/src/routes/user/user.service.js
+++ b/src/routes/user/user.service.js
@@ -45,6 +45,16 @@ exports.updateRecentSearch = async (userID, searchTerm) => {
     }
 };
 
+// 단어 추가 및 수정
+exports.postWords = async (userId, formData, nickname, type) => {
+    try {
+        const word = await userRepository.postWords(userId, formData, nickname, type);
+        return word;
+    } catch (error) {
+        console.error('Error in userService.postWords:', error.message);
+        throw new Error('Error processing word: ' + error.message);
+    }
+};
 exports.getUserRequests = async (userId) => {
     const requests = await userRepository.getUserRequests(userId);
     return requests;
diff --git a/src/routes/word/word.controller.js b/src/routes/word/word.controller.js
index 734eac4..ec5e4bd 100644
--- a/src/routes/word/word.controller.js
+++ b/src/routes/word/word.controller.js
@@ -2,7 +2,7 @@ const wordService = require('./word.service');
 const userService = require('../user/user.service');
 const sendResponse = require('../../common/utils/response-handler');
 const ErrorMessage = require('../../common/constants/error-message');
-const SucesssMessage = require('../../common/constants/success-message');
+const SuccessMessage = require('../../common/constants/success-message');
 const { validateRequest } = require('../../common/utils/request.validator');
 const { searchTermSchema, relatedTermSchema, wordListSchema } = require('./word.schema');
 const { request } = require('express');
@@ -20,7 +20,7 @@ exports.getSearchWords = async (req, res) => {
         if (_id) {
             await userService.updateRecentSearch(_id, searchTerm);
         }
-        const message = data ? SucesssMessage.SEARCH_WORDS_SUCCESS : SucesssMessage.SEARCH_WORDS_NONE;
+        const message = data ? SuccessMessage.SEARCH_WORDS_SUCCESS : SuccessMessage.SEARCH_WORDS_NONE;
         sendResponse.ok(res, {
             message,
             data,
@@ -39,7 +39,7 @@ exports.getRankWords = async (req, res) => {
     try {
         const data = await wordService.getRankWords();
         sendResponse.ok(res, {
-            message: SucesssMessage.RANK_WORDS_SUCCESS,
+            message: SuccessMessage.RANK_WORDS_SUCCESS,
             data,
         });
     } catch (error) {
@@ -54,7 +54,7 @@ exports.getRelatedWords = async (req, res) => {
         searchTerm = validateRequest(relatedTermSchema, searchTerm);
         const data = await wordService.getRelatedWords(searchTerm, limit);
         sendResponse.ok(res, {
-            message: SucesssMessage.RELATED_WORDS_SUCCESS,
+            message: SuccessMessage.RELATED_WORDS_SUCCESS,
             data,
         });
     } catch (error) {
diff --git a/src/routes/word/word.route.js b/src/routes/word/word.route.js
index 55ebb3c..979c4f7 100644
--- a/src/routes/word/word.route.js
+++ b/src/routes/word/word.route.js
@@ -1,8 +1,7 @@
 const express = require('express');
 const wordRouter = express.Router();
-
+const { isUser } = require('../../common/utils/auth');
 const { getRankWords, getSearchWords, getRelatedWords, getAllWords } = require('./word.controller');
-const { isLoggedIn, isUser } = require('../../common/utils/auth');
 
 // 전체 단어 목록 (쿼리 스트링에 정렬 & 페이지 정보)
 wordRouter.get('/', getAllWords);
@@ -14,4 +13,5 @@ wordRouter.get('/search/related', getRelatedWords);
 // 검색어 조회
 wordRouter.post('/search/:searchTerm', isUser, getSearchWords);
 
+
 module.exports = wordRouter;