agnosticism vs scepticism

agnosticism and scepticism both are nouns.

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

As nouns, agnosticism and scepticism are synonyms defined as:

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

Other synonyms of agnosticism include skepticism.

agnosticism (noun)	scepticism (noun)
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	doubt about the truth of something