Manhattan Project vs project

Manhattan Project and project both are nouns.

Word	Noun	Adjective	Verb	Adverb
Manhattan Project	Yes	No	No	No
project	Yes	No	Yes	No

Manhattan Project (noun)	project (noun)
code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II	any piece of work that is undertaken or attempted
a former United States executive agency that was responsible for developing atomic bombs during World War II	a planned undertaking

Manhattan Project (verb)	project (verb)
	present for consideration, examination, criticism, etc.
	regard as objective
	communicate vividly
	throw, send, or cast forward
	transfer (ideas or principles) from one domain into another
	imagine; conceive of; see in one's mind
	make or work out a plan for; devise
	put or send forth
	draw a projection of
	cause to be heard
	project on a screen
	extend out or project in space