skepticism vs agnosticism

skepticism and agnosticism both are nouns.

Word	Noun	Adjective	Verb	Adverb
skepticism	Yes	No	No	No
agnosticism	Yes	No	No	No

As nouns, skepticism and agnosticism are synonyms defined as:

skepticism and agnosticism: the disbelief in any claims of ultimate knowledge

Other synonyms of skepticism include scepticism.

skepticism (noun)	agnosticism (noun)
doubt about the truth of something	the disbelief in any claims of ultimate knowledge
the disbelief in any claims of ultimate knowledge	a religious orientation of doubt; a denial of ultimate knowledge of the existence of God