cartridge font vs fount

cartridge font and fount both are nouns.

Word	Noun	Adjective	Verb	Adverb
cartridge font	Yes	No	No	No
fount	Yes	No	No	No

As nouns, fount is a hypernym of cartridge font; that is, fount is a word with a broader meaning than cartridge font:

cartridge font: any font that is contained in a cartridge that can be plugged into a computer printer
fount: a specific size and style of type within a type family

Other hypernyms of cartridge font include case, face, font, typeface.

cartridge font (noun)	fount (noun)
any font that is contained in a cartridge that can be plugged into a computer printer	a plumbing fixture that provides a flow of water
	a specific size and style of type within a type family