floor plan vs plan

floor plan and plan both are nouns.

Word	Noun	Adjective	Verb	Adverb
floor plan	Yes	No	No	No
plan	Yes	No	Yes	No

As nouns, plan is a hypernym of floor plan; that is, plan is a word with a broader meaning than floor plan:

floor plan: scale drawing of a horizontal section through a building at a given level; contrasts with elevation
plan: scale drawing of a structure

Other hypernyms of floor plan include architectural plan.

floor plan (noun)	plan (noun)
scale drawing of a horizontal section through a building at a given level; contrasts with elevation	scale drawing of a structure
	a series of steps to be carried out or goals to be accomplished
	an arrangement scheme

floor plan (verb)	plan (verb)
	make plans for something
	have the will and intention to carry out some action
	make or work out a plan for; devise