narrow-body aircraft vs narrowbody aircraft

narrow-body aircraft and narrowbody aircraft both are nouns.

Word	Noun	Adjective	Verb	Adverb
narrow-body aircraft	Yes	No	No	No
narrowbody aircraft	Yes	No	No	No

As nouns, narrow-body aircraft and narrowbody aircraft are synonyms defined as:

narrow-body aircraft and narrowbody aircraft: a commercial airliner with a single aisle

Other synonyms of narrow-body aircraft include narrow-body.

narrow-body aircraft (noun)	narrowbody aircraft (noun)
a commercial airliner with a single aisle	a commercial airliner with a single aisle