たがえる
tagaeru

Ichidan Verb

1. to change; to alter

Transitive
かれ約束 やくそくをたがえない。
karewa yakusokuo tagaenai.
He is as good as his word.
Ichidan Verb

2. to run counter to; to go against; to break (one's word)

Transitive
ビルは時間 じかん ちがえないことはめったにない。
biruwa jikan'o chigaenai kotowa mettani nai.
Bill is seldom ever on time.
Ichidan Verb

3. to make a mistake (in); to err

Transitive