Suspiciosity 

An act of suspicious proportions used primarily in situations that suspiciously can't be used

That woman is engaging in suspiciosity

Suspiciosity by the theorising geek December 26, 2021

Suspiciality

Characteristic of one who is sketchy, secretive, withholding, or fisheye.

The man said the dog bit him, but the dog has no teeth, that produces suspiciality

Suspiciality by 2 crazy girls May 14, 2023