-su Godan/u-verb

1. to let leak; to let out (e.g. light)
2. to let out (a secret); to leak (information); to divulge; to disclose; to let slip
3. to give utterance to (e.g. one's dissatisfaction); to vent; to express; to reveal (e.g. one's true intentions); to let out (a sigh, etc.)
4. to wet one's pants
5. to omit; to leave out

suffix

6. to fail to do; to miss; to omit (by mistake); to forget to do (after the -masu stem of verb)