Eng

Moan...

哼

Groan, Grunt, Hum, Moan

吟

Chant, Intone, Moan, Recite, Sight, Sing

呻

Groan, Intone, Moan, Recite

哼哼

Groan, Hem, Hum, Moan

呻吟

Complain, Complained, Complaining, Complains, Moan, Moaned, Moaning, Moans, To complain, To moan, To whine, Whine, Whined, Whines, Whining