Here's what rhymes with impugnant.
Words that almost rhyme with impugnant
unit prudent imprudent impudent truant improvement mutant fluent coolant pollutant diluent rudest souvent soonest bluest loosest rootlet lewdest movement student pursuant inducement newest tumult adjuvant crudest fewest coolest disputant annuitant intuit shrewdest cruelest duellist entombment insouciant hugest bassoonist sunhat nudest amusement cartoonist confluent mouvement smoothest oculist obtusest gruesomest recruitment translucent canoeist quadruplet profusest