1. noun - abstract or entity, for example: a cat, a school, a house, friendship
2. pronoun - substitude for noun, for example: her, them
3. adjective - qualifier of noun, for example: nice, cold, black
4. verb - describes action or state of being, for example: run, change, see
5. adverb - qualifier of adjective, verb, sentence, for example: very, mainly
6. preposition - relation, for example: in, at, under
7. conjunction - syntactic connectors, for example: and
8. interjection - exclamation, for example: oh!
