digital vs analogue

digital is not a noun while analogue is a noun.

Word	Noun	Adjective	Verb	Adverb
digital	No	Yes	No	No
analogue	Yes	Yes	No	No

digital (noun)	analogue (noun)
	something having the property of being analogous to something else

digital (adjective)	analogue (adjective)
of a circuit or device that represents magnitudes in digits	of a circuit or device having an output that is proportional to the input
relating to or performed with the fingers
displaying numbers rather than scale positions