sport vs roller skate

sport and roller skate both are nouns.

Word	Noun	Adjective	Verb	Adverb
sport	Yes	No	Yes	No
roller skate	Yes	No	Yes	No

sport (noun)	roller skate (noun)
an active diversion requiring physical exertion and competition	a shoe with pairs of rollers fixed to the sole
the occupation of athletes who compete for pay
verbal wit or mockery (often at another's expense but not to be taken seriously)
someone who engages in sports
(biology) an organism that has characteristics resulting from chromosomal alteration
a person known for the way she (or he) behaves when teased or defeated or subjected to trying circumstances
(Maine colloquial) a temporary summer resident of Maine

sport (verb)	roller skate (verb)
play boisterously	travel on shoes with steel or rubber rollers attached to their soles
wear or display in an ostentatious or proud manner