Japanese deck
腐る
verb·n3

くさ

To rot; to decay; (food) to go bad

ものくさ

りんごがくさった。

dictionary腐るkusaru
to rot / to go bad
negative腐らないkusaranai
does not rot / will not go bad
polite腐りますkusarimasu
polite present
polite negative腐りませんkusarimasen
polite negative
te form腐ってkusatte
-te form (connecting/request)
past腐ったkusatta
rotted / went bad
past negative腐らなかったkusaranakatta
did not rot / did not go bad
causative腐らせるkusaraseru
to make/let (someone) rot
conditional腐ればkusareba
if (it) rots