No, the word "her" is not a noun. The word "her" is a pronoun.
The pronoun "her" is a personal pronoun, a word that takes the place of a noun for a specific person or thing.
The personal pronoun "her" takes the place of a singular noun for a female as the object of a verb or a preposition.
Example: I saw her go into the office. I opened the door for her.
The pronoun "her" is a possessive adjective, a word placed before a noun to describe a noun as belonging to a female.
Example: After entering the office, she removed her sunglasses.
The possessive pronoun form is hers, which takes the place of a noun that belongs to a female.
Example: The sunglasses on the counter must be hers.
A possessive noun is a noun that indicates something in the sentence belongs to that noun (used as an adjective modifying another noun, and telling you to whom or to what the modified noun belongs).
A noun shows possession by adding an apostrophe s ('s) to the end of the noun or adding just an apostrophe (') to the end of a plural noun that already ends with an s.
Example: I saw John's car in the library car lot.
The noun John is used as an adjective, telling you that the car you saw belongs to John.
"He" can function as a possessive pronoun (e.g., "This is his book"), but it is not a possessive noun on its own.
The possessive noun of Sam is Sam's.
The possessive form for the plural noun wives is wives'.
No, "she's" is a contraction of "she is" or "she has." It is not a possessive noun.
The possessive noun for "diplomat" is "diplomat's." For example: The diplomat's speech was well-received.
The possessive singular noun is explorer's. The possessive plural noun is explorers'.
The possessive form for the noun coyote is coyote's.
The possessive noun for laboratory is laboratory's.
The possessive noun of "preacher" is "preacher's."
The possessive noun of "zoo" is "zoo's."
"He" can function as a possessive pronoun (e.g., "This is his book"), but it is not a possessive noun on its own.
The possessive noun form of "oxygen" is "oxygen's."
The possessive form for the noun coyote is coyote's.
The possessive form is grandson's.
The possessive form is island's.
No, it is a singular possessive noun.
The possessive noun of Sam is Sam's.