diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index b62f8f28d6a..5b10f4d91d2 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -33252,7 +33252,7 @@ segwayed->segued
 segwaying->segueing
 seh->she
 seige->siege
-seina->sienna
+seina->sienna, seine,
 seing->seeing
 seinor->senior
 seires->series
@@ -33636,7 +33636,7 @@ sercives->services
 serciving->servicing
 serebral->cerebral
 serebrally->cerebrally
-sereous->serious
+sereous->serious, serous,
 sereousally->seriously
 sereouslly->seriously
 sereously->seriously
@@ -33838,8 +33838,8 @@ sharloton->charlatan
 sharraid->charade
 sharraids->charades
 shashes->slashes
-shatow->château, châteaux,
-shatows->châteaus, châteauxs,
+shatow->shadow, château, châteaux,
+shatows->shadows, châteaux, châteaus,
 shbang->shebang
 sheat->sheath, sheet, cheat,
 sheck->check, cheque, shuck,
@@ -34281,7 +34281,7 @@ singuarity->singularity
 singuarl->singular
 singulat->singular
 singulaties->singularities
-sinic->cynic
+sinic->cynic, sonic,
 sinical->cynical
 sinically->cynically
 sinicaly->cynically
@@ -34344,11 +34344,11 @@ sirynge->syringe
 sirynges->syringes
 sise->size, sisal,
 sisnce->since
-sisser->scissor
+sisser->scissor, sister, sissier,
 sissered->scissored
 sissering->scissoring
-sissers->scissors
-sist->cyst
+sissers->scissors, sisters,
+sist->cyst, sits, sift,
 sistem->system
 sistematically->systematically
 sistematics->systematics
@@ -34368,7 +34368,7 @@ sistemized->systemized
 sistemizes->systemizes
 sistemizing->systemizing
 sistems->systems
-sists->cysts
+sists->cysts, sifts, sits,
 sitation->situation
 sitations->situations
 sitaution->situation
@@ -34494,8 +34494,8 @@ sligthly->slightly
 sligtly->slightly
 sliped->slipped
 sliseshow->slideshow
-slite->sleight
-slooth->sleuth
+slite->sleight, elite, slide, site,
+slooth->sleuth, sloth, sooth,
 sloothed->sleuthing
 sloothing->sleuthing
 slooths->sleuths