dogged vs pertinacious

dogged and pertinacious both are adjectives.

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

As adjectives, dogged and pertinacious are synonyms defined as:

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

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