Yap,Cry
A four letter word meaning to shout would be yell.As in "he let out a mighty yell".
yell
yell
howl
Yell
yard, year or yell year year, yule, yaks, yell
shoo
The only word I can think of is "POLO!!", as in the pool game Marco Polo.
yell
"Yelled" is the past participle of "yell".
Yes, the word 'yell' has a short 'e' sound.
Yes, "yell" is considered an onomatopoeic word because it imitates the sound of a loud, sharp cry or shout.