3 Syllablesdistantly, flippantly, strickenly, vixenly
Now you can make multisyllabic rhymes in the new rhymit app :)
4 Syllablesassistantly, benignantly, coefficiently, conditionly, consistency, consistently, deficiency, deficiently, delinquency, delinquently, efficiently, existently, fictionally, indignantly, insistency, insistently, malignancy, malignantly, omnisciently, persistently, proficiency, proficiently, sufficiency, sufficiently, trigonally, unchristianly, visionally
5 Syllablesadditionally, conditionally, equidistantly, inconsistency, inconsistently, inefficiency, inefficiently, insufficiency, insufficiently, intuitionally, musicianly, officinally, originally, parisianly, patricianly, physicianly, polygonally, provisionally, subliminally, traditionally
6 Syllablesaboriginally, unconditionedly