Words That Rhyme With "Undiminished" :
2 syllables:
banished, crinet, finish, finished, Finnish, gymnast, hymnist, limit, linnet, punished, ringgit, thinnish, vanished, vinet, witnessed
3 syllables:
astonished, delimit, diminished, refinish, refinished, replenished, unfinished, unpunished, unwitnessed