shape vs square

shape and square both are nouns.

Word	Noun	Adjective	Verb	Adverb
shape	Yes	No	Yes	No
square	Yes	Yes	Yes	Yes

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

As verbs, square is a hyponym of shape; that is, square is a word with a more specific, narrower meaning than shape:

shape (noun)	square (noun)
the spatial arrangement of something as distinct from its substance	a hand tool consisting of two straight arms at right angles; used to construct or test right angles
any spatial attributes (especially as defined by outline)	any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles
the visual appearance of something or someone	an open area at the meeting of two or more streets
alternative names for the body of a human being	a formal and conservative person with old-fashioned views
a perceptual structure	someone who doesn't understand what is going on
a concrete representation of an otherwise nebulous concept	the product of two equal terms
the state of (good) health (especially in the phrases `in condition' or `in shape' or `out of condition' or `out of shape')	(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
	something approximating the shape of a square

shape (adjective)	square (adjective)
	having four equal sides and four right angles or forming a right angle
	characterized by honesty and fairness
	rigidly conventional or old-fashioned
	without evasion or compromise
	leaving no balance
	providing abundant nourishment

shape (verb)	square (verb)
give shape or form to	make square
shape or influence; give direction to	raise to the second power
make something, usually for a specific function	turn the oar, while rowing
	turn the paddle; in canoeing
	position so as to be square
	pay someone and settle a debt
	be compatible with
	cause to match, as of ideas or acts