Noun: Names a person, place, thing, or idea (e.g., dog, school, happiness).
Pronoun: Replaces a noun (e.g., he, she, it, they).
Verb: Expresses action or state of being (e.g., run, sing, is).
Adjective: Describes a noun or pronoun (e.g., blue, tall, happy).
Adverb: Modifies a verb, adjective, or adverb (e.g., quickly, very, well).
Preposition: Shows relationship between words (e.g., in, on, at).
Conjunction: Connects words, phrases, or clauses (e.g., and, but, because).
Interjection: Expresses strong emotion (e.g., Wow!, Oops!, Hurray!).