knifelike vs lancinating

knifelike and lancinating both are adjectives.

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

As adjectives, knifelike and lancinating are synonyms defined as:

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

knifelike (adjective)	lancinating (adjective)
having a sharp or distinct edge	painful as if caused by a sharp instrument
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