ace vs lawn tennis

ace and lawn tennis both are nouns.

Word	Noun	Adjective	Verb	Adverb
ace	Yes	Yes	Yes	No
lawn tennis	Yes	No	No	No

ace (noun)	lawn tennis (noun)
a serve that the receiver is unable to reach	a game played with rackets by two or four players who hit a ball back and forth over a net that divides the court
one of four playing cards in a deck having a single pip on its face
someone who is dazzlingly skilled in any field
the smallest whole number or a numeral representing this number

ace (adjective)	lawn tennis (adjective)
of the highest quality