moan
nounA low, sustained, mournful cry, usually indicative of sorrow or pain.
nounA similar sound.
nounA complaint.
intransitive verbTo utter a moan or moans.
intransitive verbTo make a sound resembling a moan.
intransitive verbTo complain, lament, or grieve.
intransitive verbTo bewail or bemoan.
intransitive verbTo utter with moans or a moan.