speed skate vs athletics

speed skate and athletics both are nouns.

Word	Noun	Adjective	Verb	Adverb
speed skate	Yes	No	Yes	No
athletics	Yes	No	No	No

speed skate (noun)	athletics (noun)
an ice skate with a long blade; worn for racing	an active diversion requiring physical exertion and competition
	participation in sports events as an extracurricular activity
	a contest between athletes

speed skate (verb)	athletics (verb)
race on skates