ostensibly vs apparently

ostensibly and apparently both are adverbs.

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

As adverbs, ostensibly and apparently are synonyms defined as:

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

ostensibly (adverb)	apparently (adverb)
from appearances alone	from appearances alone
	unmistakably (`plain' is often used informally for `plainly')