sport vs timer

sport and timer both are nouns.

Word	Noun	Adjective	Verb	Adverb
sport	Yes	No	Yes	No
timer	Yes	No	No	No

sport (noun)	timer (noun)
an active diversion requiring physical exertion and competition	a timepiece that measures a time interval and signals its end
the occupation of athletes who compete for pay	a regulator that activates or deactivates a mechanism at set times
verbal wit or mockery (often at another's expense but not to be taken seriously)	(sports) an official who keeps track of the time elapsed
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)	timer (verb)
play boisterously
wear or display in an ostentatious or proud manner