Diminished rhymes with:
undiminished, finished, refinished, semifinished, undiminished, unfinished, admonished, astonished, banished, burnished, finished, furnished, garnished, punished, refinished, replenished, semifinished, tarnished, undiminished, unfinished, unpunished, unvarnished, vanished, varnished
Diminished sounds like:
damaged, daminozide, danced, danstett, dehumanized, demonized, denounced, densest, density, dienst, donizetti, doomsday, downcast, downside, downsized, downstate, dunked, dunst, dynasty