go-getter vs whizz-kid

go-getter and whizz-kid both are nouns.

Word	Noun	Adjective	Verb	Adverb
go-getter	Yes	No	No	No
whizz-kid	Yes	No	No	No

As nouns, go-getter and whizz-kid are synonyms defined as:

Other synonyms of go-getter include ball of fire, whiz-kid.

go-getter (noun)	whizz-kid (noun)
someone whose career progresses rapidly	someone whose career progresses rapidly