press gang vs detachment

press gang and detachment both are nouns.

Word	Noun	Adjective	Verb	Adverb
press gang	Yes	No	No	No
detachment	Yes	No	No	No

As nouns, detachment is a hypernym of press gang; that is, detachment is a word with a broader meaning than press gang:

press gang: a detachment empowered to force civilians to serve in the army or navy
detachment: a small unit of troops of special composition

press gang (noun)	detachment (noun)
a detachment empowered to force civilians to serve in the army or navy	the act of releasing from an attachment or connection
	coming apart
	avoiding emotional involvement
	a small unit of troops of special composition
	the state of being isolated or detached