assertiveness vs positivism

assertiveness and positivism both are nouns.

Word	Noun	Adjective	Verb	Adverb
assertiveness	Yes	No	No	No
positivism	Yes	No	No	No

As nouns, positivism is a hypernym of assertiveness; that is, positivism is a word with a broader meaning than assertiveness:

assertiveness: aggressive self-assurance; given to making bold assertions
positivism: a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness

Other hypernyms of assertiveness include positiveness, positivity.

assertiveness (noun)	positivism (noun)
aggressive self-assurance; given to making bold assertions	a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness
	the form of empiricism that bases all knowledge on perceptual experience (not on intuition or revelation)