paramilitary organization vs paramilitary unit

paramilitary organization and paramilitary unit both are nouns.

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

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

paramilitary organization and paramilitary unit: 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 organization include paramilitary, paramilitary force, paramilitary organisation.

paramilitary organization (noun)	paramilitary unit (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)