Acantha rhymes with:
melantha, caltha, editha, ertha, githa, gytha, leitha, melantha, talitha, the
Acantha sounds like:
accent, accented, accentuate, accentuated, accomando, accommodate, accommodated, account, accounted, achmed, acmat, acquaint, acquainted, agenda, agent, agneta, ajinomoto, aksamit, aquanaut, ascend, ascended, ascent, ashamed, ashmead, assante, assassinate, assassinated, assent, assessment, assigned, assignment, assumed, augment, augmented, ausimont, awakened