The words stoops, stoup, stupes sound the same but have different meanings and spellings. Why do stoops, stoup, stupes sound the same even though they are completely different words?
The answer is simple: stoops, stoup, stupes are homophones of the English language.
Plural form of stoop.
Third-person singular simple present indicative form of stoop.
See steups (West Indian slang)
Ecclesiastical A basin or font for holy water at the entrance of a church.
A drinking vessel, such as a cup or tankard.
Scots A bucket or pail.
Plural form of stupe.
Definitions from Wiktionary, Creative Commons Attribution/Share-Alike License, 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.