infinite vs unlimited

infinite is a noun but unlimited is not a noun.

Word	Noun	Adjective	Verb	Adverb
infinite	Yes	Yes	No	No
unlimited	No	Yes	No	No

infinite (noun)	unlimited (noun)
the unlimited expanse in which everything is located

infinite (adjective)	unlimited (adjective)
having no limits or boundaries in time or space or extent or magnitude	having no limits in range or scope
(of verbs) not having tense, person, or number (as a participle or gerund or infinitive)	that cannot be entirely consumed or used up
total and all-embracing	without reservation or exception
too numerous to be counted