1. Common Nouns: These refer to general things or people, not specific individuals. They can be further divided into:
* Concrete nouns: These refer to things you can touch, like *table*, *tree*, or *cat*.
* Abstract nouns: These refer to ideas, qualities, or feelings, like *love*, *justice*, or *happiness*.
* Collective nouns: These refer to a group of people or things, like *team*, *family*, or *herd*.
* Proper nouns: These refer to specific people, places, or things, and are always capitalized. Examples include *John*, *London*, and *Amazon*.
2. Pronouns: These are words that take the place of nouns, avoiding repetition. They can be further divided into:
* Personal pronouns: These refer to specific people or things, like *I*, *you*, *he*, *she*, *it*, *we*, and *they*.
* Possessive pronouns: These show ownership, like *mine*, *yours*, *his*, *hers*, *its*, *ours*, and *theirs*.
* Reflexive pronouns: These refer back to the subject of the sentence, like *myself*, *yourself*, *himself*, *herself*, *itself*, *ourselves*, and *themselves*.
* Demonstrative pronouns: These point to specific people or things, like *this*, *that*, *these*, and *those*.
* Interrogative pronouns: These are used to ask questions, like *who*, *what*, *which*, and *whose*.
* Relative pronouns: These connect clauses, like *who*, *whom*, *whose*, *which*, and *that*.
So, while you might think of just "common nouns" and "pronouns," it's more accurate to say nouns have two main categories, each with various subcategories.