special vs primary

special and primary both are nouns.

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

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

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