takeoff vs going

takeoff and going both are nouns.

Word	Noun	Adjective	Verb	Adverb
takeoff	Yes	No	No	No
going	Yes	Yes	No	No

As nouns, going is a hypernym of takeoff; that is, going is a word with a broader meaning than takeoff:

Other hypernyms of takeoff include departure, going away, leaving.

takeoff (noun)	going (noun)
a departure; especially of airplanes	advancing toward a goal
humorous or satirical mimicry	the act of departing
a composition that imitates or misrepresents somebody's style, usually in a humorous way	euphemistic expressions for death
the initial ascent of an airplane as it becomes airborne

takeoff (adjective)	going (adjective)
	in full operation