paramilitary unit vs paramilitary organisation

paramilitary unit and paramilitary organisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
paramilitary unit	Yes	No	No	No
paramilitary organisation	Yes	No	No	No

As nouns, paramilitary unit and paramilitary organisation are synonyms defined as:

paramilitary unit and paramilitary organisation: a group of civilians organized in a military fashion (especially to operate in place of or to assist regular army troops)

Other synonyms of paramilitary unit include paramilitary, paramilitary force, paramilitary organization.

paramilitary unit (noun)	paramilitary organisation (noun)
a group of civilians organized in a military fashion (especially to operate in place of or to assist regular army troops)	a group of civilians organized in a military fashion (especially to operate in place of or to assist regular army troops)