Here's what rhymes with lightquantum.
quantum Words that almost rhyme with lightquantum
wanton condom wampum bonbon bottom mortem quorum bonum column solemn forum balsam dorsum sorghum nostrum rostrum possum foursome carom problem blossom boredom decorum drachm flotsam opossum slalom cockscomb postpartum metronome stardom thraldom thralldom gastronome sugarplum microcosm falciparum macrocosm