pertinacity vs doggedness

pertinacity and doggedness both are nouns.

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

As nouns, pertinacity and doggedness are synonyms defined as:

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

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