Question: words that are in grammar?
Answer: adjective. Identifies, describes, limits or qualifies a noun or pronoun. ... 
adverb. Identifies, describes, limits or qualifies a verb, an adjective, another adverb or a group of words. ... 
antecedent. Is a noun, noun phrase or pronoun referred to by a pronoun. ... 
case. ... 
clause. ... 
collective noun. ... 
compound adjective. ... 
compound noun.