surprisingness vs unexpectedness

surprisingness and unexpectedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
surprisingness	Yes	No	No	No
unexpectedness	Yes	No	No	No

As nouns, surprisingness and unexpectedness are synonyms defined as:

surprisingness and unexpectedness: extraordinariness by virtue of being unexpected

surprisingness (noun)	unexpectedness (noun)
extraordinariness by virtue of being unexpected	extraordinariness by virtue of being unexpected