A word that takes the place of a noun

(a)  

An action word

(a)  

A word that modifies a verb, an adjective, or another adverb

(a)  

a, an, the

(a)  

a word that joins two phrases or sentences (yet, because, so, but)

(a)  

expresses emotion and has no grammatical relation to the rest of the sentence: "Wow!", "Ow!"

(a)  

names a person, place, thing, or idea

Ex: chicken, Bob, Africa, happiness

(a)  

A word that shows the relationship of a noun or pronoun to another word (through, for, to)

(a)