Synonyms of trill

1 Syllable
hum, roll, sang, sound, skirl, drip, hums, mooing, chirp, meow, moo, sung, mooed, fife, sing, chant, caw, twirl, dript
2 Syllables
soloed, whinny, quavers, whinnies, dripping, tootle, gargling, hummed, ankled, skirling, dribbling, gargled, yoo-hoo, nicker, soloing, whirred, meowing, trickling, dropping, chirping, chirped, trickle, dribbled, quaver, nickers, dribble, tootling, warbled, dripped, warbling, beaded, meowed, trickled, gargle, shake, whistled, yodels, whinnying, tootled, yodel, beading, boohoo
3 Syllables
vibrato, quavered, yodelling, yodeling, nickered, caroled, quavering, yodeled, carolling, vibrate, tremolo, nickering, caroling, singsonged, sauntered, sauntering, yodelled
4 Syllables
cantillate, serenading, serenaded, bombilate, bombinate