persistence vs doggedness

persistence and doggedness both are nouns.

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

As nouns, persistence and doggedness are synonyms defined as:

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

persistence (noun)	doggedness (noun)
the act of persisting or persevering; continuing or repeating behavior	persistent determination
persistent determination
the property of a continuous and connected period of time