2 Syllablesblooming, booming, combing, coombing, dooming, fluming, glooming, grooming, looming, pluming, rooming, zooming
Now you can make multisyllabic rhymes in the new rhymit app :)
3 Syllablesassuming, consuming, exhuming, illuming, subsuming
4 Syllablesunassuming