The noun of ‘different’ is ‘ difference,’ which means that the things or people are not similar. They are unlike in quality, form or nature and have distinctions between them. Additionally, the word different is an adjective showing that one thing is dissimilar to another.

"Difference" is the noun form of 'Different'. Nouns refer to people, animals, things, places, or events. Nouns form with verbs, adjectives, or other nouns. The noun forms are often Latin or Greek. Adding suffixes to verbs and adjectives forms nouns. Collective nouns form from other nouns.