projection vs change of shape

projection and change of shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
projection	Yes	No	No	No
change of shape	Yes	No	No	No

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

projection (noun)	change of shape (noun)
the act of expelling or projecting or ejecting	an action that changes the shape of something
the act of projecting out from 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