2 Syllablesbierly, cheerly, clearly, dearly, drearly, early, merely, merly, nearly, peerly, serly, sheerly
Now you can make multisyllabic rhymes in the new rhymit app :)
3 Syllablesausterely, queerly, severely, sincerely
4 Syllablescavalierly, grenadierly, insincerely, volunteerly