tent-fly vs tent flap

tent-fly and tent flap both are nouns.

Word	Noun	Adjective	Verb	Adverb
tent-fly	Yes	No	No	No
tent flap	Yes	No	No	No

As nouns, tent-fly and tent flap are synonyms defined as:

tent-fly and tent flap: flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent

Other synonyms of tent-fly include fly, fly sheet, rainfly.

tent-fly (noun)	tent flap (noun)
flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent	flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent