perceptive vs piercing

perceptive and piercing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
perceptive	No	Yes	No	No
piercing	No	Yes	No	No

perceptive (adjective)	piercing (adjective)
having the ability to perceive or understand; keen in discernment	having or demonstrating ability to recognize or draw fine distinctions
of or relating to perception	painful as if caused by a sharp instrument