Godan verb with 'ku' ending, Intransitive verbto moan; to groan

Noun, Suru verb, Intransitive verbmoaning; groaning

Godan verb with 'ru' ending, Intransitive verbto groan; to moan · to roar; to howl; to growl · to hum (engine, wind, etc.); to buzz; to whiz; to sough; to make a low, dull sound

Noungroan; moan · growl; snarl; roar; howl; bellow · hum (e.g. of a motor); buzz; drone; wiz

Noungroan; moan · growl; roar; snarl · hum (of a machine, power lines, etc.); drone (e.g. of an engine); buzz; howl (of the wind)

Noungroan; moan; moaning