cashcard vs cash card

cashcard and cash card both are nouns.

Word	Noun	Adjective	Verb	Adverb
cashcard	Yes	No	No	No
cash card	Yes	No	No	No

As nouns, cashcard and cash card are synonyms defined as:

cashcard and cash card: a payment card that entitles the holder to receive cash

cashcard (noun)	cash card (noun)
a payment card that entitles the holder to receive cash	a payment card that entitles the holder to receive cash