armpit

a bit, acquit, admit, backfit, base hit, befit, bowsprit, bushtit, catch it, cesspit, close-knit, cockpit, commit, cool it, culprit, cut it, demit, dimwit, dog it, do it, emit, firelit, fleapit, gaslit, get it, gill slit, godwit, hack it, half-wit, hard-hit, henbit, house-sit, legit, lit crit, make it, mess kit, misfit, mishit, moonlit, mosh pit, nitwit, no-hit, obit, omit, outfit, outwit, owe it, peewit, permit, pinch-hit, Prakrit, press kit, pulpit, refit, remit, rough it, sandpit, Sanskrit, scratch hit, snakebit, snake pit, starlit, stock split, submit, sunlit, switch-hit, tar pit, tidbit, tight-knit, tomtit, to wit, transmit, turnspit, twilit, two-bit, unfit, unknit, warp knit, watch it, weft knit, well-knit