Briefer rhymes with:
reefer, schriefer, giefer, keefer, keifer, keiffer, kiefer, kieffer, liefer, reefer, schiefer, schieffer, schriefer, sheaffer
Briefer sounds like:
barabar, barbara, barbaree, barbaro, barbary, barber, barbera, barberi, barberio, barbero, barbier, barbieri, barbour, barbra, barbre, beerbower, berber, bierbarror, bierbauer, braver, bravery, bravura, bribery