breakup vs detachment

breakup and detachment both are nouns.

Word	Noun	Adjective	Verb	Adverb
breakup	Yes	No	No	No
detachment	Yes	No	No	No

As nouns, breakup and detachment are synonyms defined as:

Other synonyms of breakup include separation.

breakup (noun)	detachment (noun)
the termination or disintegration of a relationship (between persons or nations)	the act of releasing from an attachment or connection
coming apart	coming apart
	avoiding emotional involvement
	a small unit of troops of special composition
	the state of being isolated or detached