ineffectual vs unproductive

ineffectual and unproductive both are adjectives.

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

ineffectual (adjective)	unproductive (adjective)
not producing an intended effect	not producing or capable of producing
lacking in power or forcefulness	not producing desired results
producing no result or effect