Example : His bellow filled the hallway.

Synonyms : bellow, bellowing, holla, hollering, hollo, holloa, roar, roaring, yowl

Example : He built himself a cabin in a hollow high up in the Appalachians.

Synonyms : hollow

Example : He hollered out to surrender our weapons.

Synonyms : holler out

Example : She cried with pain when the doctor inserted the needle.
I yelled to her from the window but she couldn't hear me.

Synonyms : call, cry, hollo, scream, shout, shout out, squall, yell

Example : What was he hollering about?.

Synonyms : beef, bellyache, bitch, crab, gripe, grouse, squawk