court card vs picture card

court card and picture card both are nouns.

Word	Noun	Adjective	Verb	Adverb
court card	Yes	No	No	No
picture card	Yes	No	No	No

As nouns, court card and picture card are synonyms defined as:

court card and picture card: one of the twelve cards in a deck bearing a picture of a face

Other synonyms of court card include face card.

court card (noun)	picture card (noun)
one of the twelve cards in a deck bearing a picture of a face	one of the twelve cards in a deck bearing a picture of a face