special vs specialised

special is a noun but specialised is not a noun.

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

special (noun)	specialised (noun)
a special offering (usually temporary and at a reduced price) that is featured in advertising
a television production that features a particular person or work or topic
a dish or meal given prominence in e.g. a restaurant

special (adjective)	specialised (adjective)
for a special service or occasion	developed or designed for a special activity or function
first and most important
adapted to or reserved for a particular purpose
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