narcotic vs narcotizing

narcotic is a noun but narcotizing is not a noun.

Word	Noun	Adjective	Verb	Adverb
narcotic	Yes	Yes	No	No
narcotizing	No	Yes	No	No

As adjectives, narcotic and narcotizing are synonyms defined as:

Other synonyms of narcotic include narcotising.

narcotic (noun)	narcotizing (noun)
a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction

narcotic (adjective)	narcotizing (adjective)
of or relating to or designating narcotics	inducing stupor or narcosis
inducing stupor or narcosis
inducing mental lethargy