form vs constitute

form is a noun but constitute is not a noun.

Word	Noun	Adjective	Verb	Adverb
form	Yes	No	Yes	No
constitute	No	No	Yes	No

As verbs, form and constitute are synonyms defined as:

Other synonyms of form include make.

As verbs, constitute is a hypernym of form; that is, constitute is a word with a broader meaning than form:

Other hypernyms of form include be, comprise, make up, represent.

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

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