unproductive vs ineffectual

unproductive and ineffectual both are adjectives.

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

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