The words paeon, peon sound the same but have different meanings and spellings. Why do paeon, peon sound the same even though they are completely different words?
The answer is simple: paeon, peon are homophones of the English language.
In quantitative verse, a foot of one long syllable and three short syllables occurring in any order.
An unskilled laborer or farm worker of Latin America or the southwest United States.
Such a worker bound in servitude to a landlord creditor.
A menial worker; a drudge.
In India and other parts of South and Southeast Asia, a person of menial position, especially a messenger, servant, or foot soldier.
Definitions from The American Heritage® Dictionary of the English Language, 4th Edition and Wordnik.
Homophones (literally "same sound") are usually defined as words that share the same pronunciation, regardless of how they are spelled.