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