Final answer:
The word 'prōōn' is correctly spelled as 'pronoun,' which is a word that takes the place of a noun in a sentence.
Step-by-step explanation:
The correct spelling of the word is pronoun.
A pronoun is a word that takes the place of a noun in a sentence. It is used to avoid repetition and make sentences less repetitive. Examples of pronouns include he, she, it, they, and we.
In the given word, 'prōōn,' the diacritical marks over the 'o' are not necessary for its spelling. The correct spelling without the diacritical marks is 'pronoun.'
Learn more about Spelling of the word 'prōōn'