Here's what rhymes with wavenumber.
number lumber cumber slumber outnumber encumber Words that almost rhyme with wavenumber
bumper jumper wonder thunder hunter asunder sunder plunder blunder plunger another mother summer rubber molar comer mutter tumbler tuber muffler mugger color cover suffer butter lover buffer sulphur supper vulgar sulfur butler cutter gutter muster rudder runner shudder shutter uncover drummer gunner hover paler rougher sucker tougher blubber buzzer duller plumber smother succor bugger putter scrubber smuggler cynosure fucker gazer hussar lugger monger pucker sutler tucker culture brother younger hunger rupture ocular flutter lustre bunker clutter luster midsummer erasure vulture adjuster crusher duster juster plover sputter stutter buster structure recover cluster conductor juncture puncture youngster ligature abductor bluster coadjutor premolar undercover watercolor embrasure pustular discover sculpture sculptor chronometer conjuncture filibuster pentameter tricolor instructor constructor restructure aquaculture substructure agriculture semiconductor superstructure horticulture counterculture rediscover cartographer superconductor infrastructure acupuncture