lobe vs projection

lobe and projection both are nouns.

Word	Noun	Adjective	Verb	Adverb
lobe	Yes	No	No	No
projection	Yes	No	No	No

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

lobe (noun)	projection (noun)
a rounded projection that is part of a larger structure	the act of expelling or projecting or ejecting
(anatomy) a somewhat rounded subdivision of a bodily organ or part	the act of projecting out from something
the enhanced response of an antenna in a given direction as indicated by a loop in its radiation pattern	any structure that branches out from a central support
(botany) a part into which a leaf is divided	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