seemingly vs on the face of it

seemingly and on the face of it both are adverbs.

Word	Noun	Adjective	Verb	Adverb
seemingly	No	No	No	Yes
on the face of it	No	No	No	Yes

As adverbs, seemingly and on the face of it are synonyms defined as:

Other synonyms of seemingly include apparently, ostensibly.

seemingly (adverb)	on the face of it (adverb)
from appearances alone	from appearances alone