seemingly vs ostensibly

seemingly and ostensibly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
seemingly	No	No	No	Yes
ostensibly	No	No	No	Yes

As adverbs, seemingly and ostensibly are synonyms defined as:

Other synonyms of seemingly include apparently, on the face of it.

seemingly (adverb)	ostensibly (adverb)
from appearances alone	from appearances alone