ineffective vs unproductive

ineffective and unproductive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ineffective	No	Yes	No	No
unproductive	No	Yes	No	No

ineffective (adjective)	unproductive (adjective)
not producing an intended effect	not producing or capable of producing
lacking in power or forcefulness	not producing desired results
lacking the ability or skill to perform effectively; inadequate