generally vs more often than not

generally and more often than not both are adverbs.

Word	Noun	Adjective	Verb	Adverb
generally	No	No	No	Yes
more often than not	No	No	No	Yes

As adverbs, generally and more often than not are synonyms defined as:

Other synonyms of generally include by and large, mostly.

generally (adverb)	more often than not (adverb)
without regard to specific details or exceptions	usually; as a rule
without distinction of one from others
usually; as a rule