constitute vs form

constitute is not a noun while form is a noun.

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

Other hyponyms of constitute include make, compose, make, constitute, range, straddle, fall into, fall under, pose, present, supplement.

As verbs, constitute and form are synonyms defined as:

Other synonyms of constitute include make.

constitute (noun)	form (noun)
	the phonological or orthographic sound or appearance of a word that can be used to describe or identify something
	a category of things distinguished by some common characteristic or quality
	a perceptual structure
	any spatial attributes (especially as defined by outline)
	alternative names for the body of a human being
	the spatial arrangement of something as distinct from its substance
	the visual appearance of something or someone
	a printed document with spaces in which to write
	(biology) a group of organisms within a species that differ in trivial ways from similar groups
	an arrangement of the elements in a composition or discourse
	a particular mode in which something is manifested
	(physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary
	a body of students who are taught together
	an ability to perform well
	a life-size dummy used to display clothes
	a mold for setting concrete

constitute (verb)	form (verb)
form or compose	create (as an entity)
create and charge with a task or function	to compose or represent
to compose or represent	develop into a distinctive entity
set up or lay the groundwork for	give shape or form to
	make something, usually for a specific function
	establish or impress firmly in the mind
	assume a form or shape