tail end vs projection

tail end and projection both are nouns.

Word	Noun	Adjective	Verb	Adverb
tail end	Yes	No	No	No
projection	Yes	No	No	No

As nouns, projection is a hypernym of tail end; that is, projection is a word with a broader meaning than tail end:

tail end (noun)	projection (noun)
the fleshy part of the human body that you sit on	the act of expelling or projecting or ejecting
any projection that resembles the tail of an animal	the act of projecting out from something
the time of the last part of something	any structure that branches out from a central support
	the representation of a figure or solid on a plane as it would look from a particular direction
	a planned undertaking
	a prediction made by extrapolating from past observations
	the projection of an image from a film onto a screen
	the acoustic phenomenon that gives sound a penetrating quality
	(psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else
	any solid convex shape that juts out from something