Big Huge Thesaurus

impugn

verb

• challenge

sounds kind of like

• infusion
• invasion

rhymes with

• afternoon
• attune
• baboon
• balloon
• bassoon
• bethune
• boon
• boone
• buffoon
• cardoon
• cartoon
• cocoon
• contrabassoon
• coon
• croon
• dune
• festoon
• goon
• harpoon
• hewn
• immune
• inopportune
• june
• kroon
• kuhn
• lagoon
• lampoon
• loon
• monsoon
• moon
• noon
• opportune
• picayune
• platoon
• pontoon
• poon
• prune
• raccoon
• rangoon
• saloon
• soon
• spoon
• swoon
• toon
• tune
• tycoon
• typhoon