no more vs no longer

no more and no longer both are adverbs.

Word	Noun	Adjective	Verb	Adverb
no more	No	No	No	Yes
no longer	No	No	No	Yes

As adverbs, no more and no longer are synonyms defined as:

no more (adverb)	no longer (adverb)
not now	not now
referring to the degree to which a certain quality is present