Synonyms of holler

1 Syllable
hoot, wail, flack, roars, cheer, screech, roar, mewl, yowl, yell, bawl, squawk, shrill, mooing, booing, screams, squeal, meow, baying, moo, mooed, booed, yap, shriek, whoop, call, screak, caw, cry, bayed, nears, scream, howl, yelp
2 Syllables
screamed, exclaims, ahoy, whinny, squalled, whinnies, yipping, yowling, shouted, yelled, yoo-hoo, mewling, nicker, yowled, meowing, yipped, protest, hailed, hailing, exclaim, bellow, yelling, nickers, squalling, bawled, meowed, mewled, complain, screaming, whooped, halloo, whinnying, roared
3 Syllables
exclaimed, protesting, catcalled, nickered, exclaiming, grievance, nickering, protested
4 Syllables
ululate, exclamations, exclamation
5 Syllables
vociferate