preform vs form

preform is not a noun while form is a noun.

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

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

Other hypernyms of preform include forge, mold, mould, shape, work.

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

Other hypernyms of preform include forge, mold, mould, shape, work.

preform (noun)	form (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

preform (verb)	form (verb)
form or shape beforehand or determine the shape of beforehand	give shape or form to
form into a shape resembling the final, desired one	assume a form or shape
	make something, usually for a specific function
	create (as an entity)
	establish or impress firmly in the mind
	to compose or represent
	develop into a distinctive entity