diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index fafb03dbf5..a1257de4a0 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -17704,6 +17704,7 @@ fontrier->frontier
 fonud->found
 foontnotes->footnotes
 foootball->football
+foor->foot, for,
 foorter->footer
 footnoes->footnotes
 footprinst->footprints
@@ -20001,6 +20002,7 @@ imporvment->improvement
 imposible->impossible
 impossiblble->impossible
 impot->import
+impotant->impotent, important,
 impotr->import, importer,
 impotrt->import, imported, importer,
 impove->improve
@@ -28696,6 +28698,7 @@ possiblilty->possibility
 possiblities->possibilities
 possiblity->possibility
 possiblly->possibly
+possiibly->possibly
 possilbe->possible
 possily->possibly
 possition->position
@@ -32469,6 +32472,7 @@ requiremenet->requirement
 requiremenets->requirements
 requiremnt->requirement
 requirment->requirement
+requirmentes->requirements
 requirments->requirements
 requisit->requisite
 requisits->requisites
@@ -36664,7 +36668,12 @@ subsytems->subsystems
 subtabels->subtables
 subtak->subtask
 subtaks->subtask, subtasks,
+subtance->substance
 subtances->substances
+subtarct->subtract
+subtarcted->subtracted
+subtarcting->subtracting
+subtarcts->subtracts
 subtarger->subtarget, sub-target,
 subtargers->subtargets, sub-targets,
 subterranian->subterranean