The words oohs, ooze sound the same but have different meanings and spellings. Why do oohs, ooze sound the same even though they are completely different words?
The answer is simple: oohs, ooze are homophones of the English language.
Third-person singular simple present indicative form of ooh.
To flow or leak out slowly, as through small openings.
To disappear or ebb slowly: His courage oozed away.
To progress slowly but steadily: "Over grass bleached colorless by strong outback sun, the herd oozes forward” ( Geraldine Brooks).
To exude moisture.
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.