tall order vs project

tall order and project both are nouns.

Word	Noun	Adjective	Verb	Adverb
tall order	Yes	No	No	No
project	Yes	No	Yes	No

As nouns, project is a hypernym of tall order; that is, project is a word with a broader meaning than tall order:

Other hypernyms of tall order include labor, labour, task, undertaking.

tall order (noun)	project (noun)
a formidable task or requirement	any piece of work that is undertaken or attempted
	a planned undertaking

tall order (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