Lugworm rhymes with:
flatworm, hookworm, roundworm, silkworm, blastoderm, flatworm, hookworm, karatirm, preterm, roundworm, silkworm
Lugworm sounds like:
lagrone, lazzarini, leckrone, lecrone, leghorn, legroom, liljegren, lockerman, lockrem, logogram, loughran, lucerne, lukewarm