detachment vs breakup

detachment and breakup both are nouns.

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

As nouns, detachment and breakup are synonyms defined as:

Other synonyms of detachment include separation.

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