Add several spelling corrections + refinements

diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index 3e5ad30..fd5f16b 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -8659,9 +8659,13 @@
 decyphered->deciphered
 ded->dead
 dedault->default
-dedected->detected
-dedection->detection
+dedect->detect, deduct,
+dedected->detected, deducted,
+dedection->detection, deduction,
+dedects->detects, deducts,
+dedidate->dedicate
 dedidated->dedicated
+dedidates->dedicates
 dedly->deadly
 deductable->deductible
 deductables->deductibles