“A noun by any other name would still verb as adjective” - With appologies to Mr. Shakespeare

noun - The part of speech that is used to name a person, place, thing, quality, or action and can function as the subject or object of a verb, the object of a preposition, or an appositive.

Nouns are naming words. They identify people, places, objects, ideas and eomotions. Nouns are pretty much anything that is or can be named. Their function is to name something.

To identify nouns look for words that have the, my, a or this in front of them. For example: the book. “Book” is the noun. It could also be my book, a book or this book.

Nouns can be either before or after verbs. For example: the fast airplane or the airplane flies. “Airplane” is the noun.

Nouns can follow prepositions.

A preposition is a part of speech that indicates the relationship, often spatial, of one word to another. For example, “She paused at the gate”; “This tomato is ripe for picking”; and “They talked the matter over head to head.” Some common prepositions are at, by, for, from, in, into, on, to, and with. ABCTeach.com has a complete list of prepositions.

Also, the rule about not ending a sentence with a preposition comes from Latin and does not apply to English. Example: Where did he come from? Nobody says things like “from where did he come?”

Most nouns takes s or es to become plural: books, airplanes, churches.

Some nouns take an apostrophe (’) and an s or just an apostrophe to show posession: the book’s contents, the airplane’s passangers, the boys’ bedroom.

Some nouns start with a capitol letter to indicate a title or specific thing or person (aka proper nouns): Woodside Elementary, Bob Jones, June.

Some nouns become nouns because of endings like -ness, -tion, -ity: charitability. I think thse are nearly made-up words in some cases…