primary vs special

primary and special both are nouns.

Word	Noun	Adjective	Verb	Adverb
primary	Yes	Yes	No	No
special	Yes	Yes	No	No

primary (noun)	special (noun)
a preliminary election where delegates or nominees are chosen	a special offering (usually temporary and at a reduced price) that is featured in advertising
one of the main flight feathers projecting along the outer edge of a bird's wing	a television production that features a particular person or work or topic
coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit	a dish or meal given prominence in e.g. a restaurant
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it

primary (adjective)	special (adjective)
of first rank or importance or value; direct and immediate rather than secondary	for a special service or occasion
of or being the essential or basic part	first and most important
most important element	adapted to or reserved for a particular purpose
not derived from or reducible to something else; basic	having a specific function or scope
	surpassing what is common or usual or expected
	added to a regular schedule
	unique or specific to a person or thing or category