detachment vs bodyguard

detachment and bodyguard both are nouns.

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

As nouns, bodyguard is a hyponym of detachment; that is, bodyguard is a word with a more specific, narrower meaning than detachment:

Other hyponyms of detachment include patrol, picket, press gang, provost guard, rearguard.

detachment (noun)	bodyguard (noun)
the act of releasing from an attachment or connection	a group of men who escort and protect some important person
coming apart	someone who escorts and protects a prominent person
avoiding emotional involvement
a small unit of troops of special composition
the state of being isolated or detached