effect vs validness

effect and validness both are nouns.

Word	Noun	Adjective	Verb	Adverb
effect	Yes	No	Yes	No
validness	Yes	No	No	No

As nouns, validness is a hypernym of effect; that is, validness is a word with a broader meaning than effect:

Other hypernyms of effect include validity.

effect (noun)	validness (noun)
an outward appearance	the quality of having legal force or effectiveness
(of a law) having legal validity
an impression (especially one that is artificial or contrived)
the central meaning or theme of a speech or literary work
a phenomenon that follows and is caused by some previous phenomenon
a symptom caused by an illness or a drug

effect (verb)	validness (verb)
produce
act so as to bring into existence