Synonyms of carolling

1 Syllable
tune, hum, choir, duet, trill, buzz, pipe, chirp, troll, purr, croon, mouth, wait, chant, shout, roar, groan, hymn
2 Syllables
warble, descant, resound, solo, singsong, carol, whine, whistle, yodel
3 Syllables
lullaby, intone, canary
4 Syllables
harmonize, serenade, cantillate, vocalize