Words That Rhyme With "Fiercer" :
2 syllables:
bursar, cheerer, clearer, coarser, courser, cursor, dearer, hearer, jeerer, mercer, mirror, nearer, nurser, parser, purser, queerer, scarcer, serer, shearer, sheerer, sneerer, steerer, verser, worser
3 syllables:
Cassirer, coherer, converser, disburser, endorser, indorser, precursor, reverser