2 vs two

2 and two both are nouns.

Word	Noun	Adjective	Verb	Adverb
2	Yes	Yes	No	No
two	Yes	Yes	No	No

As adjectives, 2 and two are synonyms defined as:

Other synonyms of 2 include ii.

As nouns, 2 and two are synonyms defined as:

2 and two: the cardinal number that is the sum of one and one or a numeral representing this number

Other synonyms of 2 include deuce, II.

2 (noun)	two (noun)
the cardinal number that is the sum of one and one or a numeral representing this number	one of the four playing cards in a deck that have two spots
	the cardinal number that is the sum of one and one or a numeral representing this number

2 (adjective)	two (adjective)
being one more than one	being one more than one