diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index c8c124c378..f0781d42f0 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -3802,6 +3802,12 @@ annhilates->annihilates
 annhilating->annihilating
 annhilation->annihilation
 annhilations->annihilations
+annhiliate->annihilate
+annhiliated->annihilated
+annhiliates->annihilates
+annhiliating->annihilating
+annhiliation->annihilation
+annhiliations->annihilations
 anniversery->anniversary
 annnotate->annotate
 annnotated->annotated
@@ -38377,6 +38383,8 @@ optimisim->optimism
 optimisitc->optimistic
 optimisitic->optimistic
 optimissm->optimism
+optimistaion->optimisation
+optimistaions->optimisations
 optimitation->optimization
 optimizaing->optimizing
 optimizaton->optimization
@@ -38389,6 +38397,8 @@ optimizier->optimizer
 optimiziers->optimizers
 optimizies->optimizes
 optimiziing->optimizing
+optimiztaion->optimization
+optimiztaions->optimizations
 optimiztion->optimization
 optimiztions->optimizations
 optimsitic->optimistic