wave-off vs go-around

wave-off and go-around both are nouns.

Word	Noun	Adjective	Verb	Adverb
wave-off	Yes	No	No	No
go-around	Yes	No	No	No

As nouns, wave-off and go-around are synonyms defined as:

wave-off and go-around: an approach that fails and gives way to another attempt

Other synonyms of wave-off include overshoot.

wave-off (noun)	go-around (noun)
an approach that fails and gives way to another attempt	an approach that fails and gives way to another attempt