What part of speech is the word cookies?
cookies - noun
No, a preposition is a part of speech that has a function of its own. Only a noun, a noun phrase, or another pronoun can take the place of a pronoun in a sentence. A preposition is a word that connects a noun or a pronoun to another word in the sentence. Example: Aunt Jane made cookies for the children. (the preposition 'for' connects the noun 'children' to those cookies) A pronoun is a word…
The term "part of speech" is a noun phrase, which is any word or group of words based on a noun or pronoun (without a verb) that can function in a sentence as a subject, object of a verb or a preposition. A noun phrase can be one word or many words. The word "part" is a noun, "of" is a preposition, and "speech" is a noun. object of the preposition.