projection vs fluke

projection and fluke both are nouns.

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

As nouns, fluke is a hyponym of projection; that is, fluke is a word with a more specific, narrower meaning than projection:

projection (noun)	fluke (noun)
the act of expelling or projecting or ejecting	parasitic flatworms having external suckers for attaching to a host
the act of projecting out from something	either of the two lobes of the tail of a cetacean
any structure that branches out from a central support	flat bladelike projection on the arm of an anchor
the representation of a figure or solid on a plane as it would look from a particular direction	a barb on a harpoon or arrow
a planned undertaking	a stroke of luck
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