obliquity vs deceptiveness

obliquity and deceptiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
obliquity	Yes	No	No	No
deceptiveness	Yes	No	No	No

As nouns, obliquity and deceptiveness are synonyms defined as:

obliquity (noun)	deceptiveness (noun)
the quality of being deceptive	the quality of being deceptive
the presentation during labor of the head of the fetus at an abnormal angle