Godan verb with 'mu' endingintransitive verb to bite into (e.g. rope into skin);to cut into;to dig into (e.g. of fingernails)

Godan verb with 'mu' endingintransitive verb to eat into;to encroach;to make inroads;to penetrate (e.g. a market);to break into (e.g. first place);to erode;to cut into (e.g. time, savings)

Godan verb with 'mu' endingintransitive verb vulgar expression or word to be wedged (i.e. underwear pulled from the back, driving it between the buttocks)