Oilman rhymes with:
hillman, mailman, middleman, patrolman, pearlman, 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, patrolman, pearlman, radioman, redman, repairman, richman, sandman, serviceman, sideman, silverman, snowman, strongman, tinman, tweezerman, underman, walkman, weatherman, youngman
Oilman sounds like:
oelman, ohlin, ohlman, ohlmann, oilmen, olano, olayan, olean, olen, olin, olmo, olney