The letter that sounds like a vegetable is the letter "P", because pea sounds like the letter p.
A fun way to answer this is to ask a sister or brother to say the alphabet and see which letter sounds like a vegetable. Words that sound the same but are spelled differently and have different meanings are called homonyms. "Hair" and "hare", "fair" and "fare", "night" and "knight", "bury" and "berry" are homonyms. "P" is a letter that sounds like a vegetable - the pea.
A vegetable that starts with h would be horseradish. That is the only vegetable that I can find that begins with the letter h.
A leek
A homophone for a red vegetable is "beet" which sounds like "beat."
The letter "B" because it sounds like "bee"
letter that sounds like surprise
Well It Is Unique. Although, Sounds Like A Vegetable.
queue (sounds like the letter q)
p
none!
Mike Nawrocki,Veggie Tale's Co-Founder
The letter s.