Underman rhymes with:
anchorman, cooperman, counterman, fisherman, newspaperman, silverman, tweezerman, weatherman, anchorman, assemblyman, batman, bogeyman, businessman, caveman, cooperman, counterman, doorman, fisherman, fishman, flagman, forman, frogman, furman, gamesman, glassman, guardsman, hackman, handyman, helmsman, hillman, hitman, jazzman, journeyman, kinsman, madman, mailman, merman, middleman, midgetman, milkman, minuteman, newsman, newspaperman, nurseryman, oilman, patrolman, pearlman, radioman, redman, repairman, richman, sandman, serviceman, sideman, silverman, snowman, strongman, tinman, tweezerman, walkman, weatherman, youngman
Underman sounds like:
unadorn, underarm, undermine, unitarian, unitrin, unterman