doggedness vs pertinacity

doggedness and pertinacity both are nouns.

Word	Noun	Adjective	Verb	Adverb
doggedness	Yes	No	No	No
pertinacity	Yes	No	No	No

As nouns, doggedness and pertinacity are synonyms defined as:

Other synonyms of doggedness include perseverance, persistence, persistency, tenaciousness, tenacity.

doggedness (noun)	pertinacity (noun)
persistent determination	persistent determination