Words That Rhyme With "Crustacea" :

3 syllables:

cassia, fascia, Lycia, Mysia, quassia, ratio

4 syllables:

Cetacea, comitia, fellatio, Galicia, hospitia, minutia, minutiae, Sarmatia, Venetia

5 syllables:

alopecia, Dionysia, echinacea, jubilatio, Theodosia