contentiousness vs quarrelsomeness

contentiousness and quarrelsomeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
contentiousness	Yes	No	No	No
quarrelsomeness	Yes	No	No	No

As nouns, contentiousness and quarrelsomeness are synonyms defined as:

contentiousness and quarrelsomeness: an inclination to be quarrelsome and contentious

contentiousness (noun)	quarrelsomeness (noun)
an inclination to be quarrelsome and contentious	an inclination to be quarrelsome and contentious