pertinacious vs dogged

pertinacious and dogged both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pertinacious	No	Yes	No	No
dogged	No	Yes	No	No

As adjectives, pertinacious and dogged are synonyms defined as:

Other synonyms of pertinacious include dour, persistent, tenacious, unyielding.

pertinacious (adjective)	dogged (adjective)
stubbornly unyielding	stubbornly unyielding