Semifinish rhymes with:
refinish, finish, finnish, refinish, diminish, finish, finnish, minish, refinish, admonish, astonish, banish, barnish, benish, brownish, burnish, clannish, corniche, cornish, danish, diminish, finish, finnish, furnish, garnish, greenish, hanisch, hanish, harnisch, harnish, heinisch, janisch, janish, kronish, kunesh, manish, minish, ornish, pollyannish, punish, refinish, replenish, rheinisch, spanish, stanish, tarnish, vanish, varnish, yanish
Semifinish sounds like:
sampans, signifying, skimping, snapping, sniffing, sniping, snooping, snubbing, snuffing, succumbing, sunbeam's, swamping, symbion's, symphonic, symphonies, symphony's