sport vs sudden death

sport and sudden death both are nouns.

Word	Noun	Adjective	Verb	Adverb
sport	Yes	No	Yes	No
sudden death	Yes	No	No	No

sport (noun)	sudden death (noun)
an active diversion requiring physical exertion and competition	(sports) overtime in which play is stopped as soon as one contestant scores; e.g. football and golf
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)	sudden death (verb)
play boisterously
wear or display in an ostentatious or proud manner