Words that are divided into different classes or kinds are called ‘Parts of speech.
The 8 parts of speech are:
Nouns Nouns are words that use the name of a person, place, or thing.
Adjectives Adjectives are words that are used to add something to the meaning of nouns.
Pronouns Pronouns are the words that are used instead of a noun.
Verbs Verbs are words that are used to express an action or a state.
Adverbs Adverbs are words that are used to add something to the meaning of a verb, an adjective, or another verb.
Prepositions Prepositions are words used with a noun or a pronoun to show how the person or the thing denoted by the noun or pronoun stands in a relation to something else.
Conjunctions Conjunctions are words that are used in joining sentences or words.
Interjections Interjections are words that express some sudden feelings.