Synonyms of bombinate

1 Syllable

hums, growl, hum, boom, drum, trill, whirr, sound, roar

2 Syllables

whirred, pattern, droning, buzzed, resound, ruffle, rustle, rattle, hummed, rumble, echo, droned, buzzing, grumble, quaver

3 Syllables

re-echo

4 Syllables

bombilate, cannonade