shout
peal
The homophone for "shout loudly" is "shout loudly." Homophones are words that sound the same but have different spellings and meanings.
clamours, Bawl
The root word for "exclamation" is "exclaim," which comes from the Latin word "exclamare" meaning to cry out or shout loudly.
To bellow means to shout loudly. The opposite of that would be to be silent, or be quiet. You could also say to whisper. A bellow is the shout itself. The opposite of that would be a whisper or a quiet word.
The word "shouted" is a verb. It is the past tense of the verb "shout", which means to speak loudly or forcefully.
A four letter word meaning to shout would be yell.As in "he let out a mighty yell".
The word "holler" comes from the Old High German word "holon," meaning to call out or shout loudly. It has been used in various forms in English since the 17th century to signify a loud cry or shout.
chomp
yell
The word "keen" rhymes with mean and can also mean to scream loudly or shout enthusiastically.