lancinating vs knifelike

lancinating and knifelike both are adjectives.

Word	Noun	Adjective	Verb	Adverb
lancinating	No	Yes	No	No
knifelike	No	Yes	No	No

As adjectives, lancinating and knifelike are synonyms defined as:

Other synonyms of lancinating include cutting, keen, lancinate, piercing, stabbing.

lancinating (adjective)	knifelike (adjective)
painful as if caused by a sharp instrument	having a sharp or distinct edge
	having or demonstrating ability to recognize or draw fine distinctions
	cutting or able to cut as if with a knife
	painful as if caused by a sharp instrument