いい事

いいこと

Expressions (phrases, clauses, etc.), noun (common) (futsuumeishi), word usually written using kana alone

Expressions (phrases, clauses, etc.), noun (common) (futsuumeishi), word usually written using kana alone, children's language

Interjection (kandoushi), female term or language, word usually written using kana alone

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ことこと

particle indicating a command

こととてこととて

because

ことんことん

clunk; thump

ないことにはないことには

(with verb stem) unless you do something

ことことことこと

with a rattling sound; with a (gentle) clinking sound; rapping (on a door)