Meanings (ES + gloss)
renunciar • resignarse
To give up; to relinquish ownership of.
And if the perfection of well-speaking might bring any glorie sutable unto a great personage, Scipio and Lelius would never have resigned the honour of their Comedies[…]unto an Aff…
dimitir • renunciar
To voluntarily leave (a job or position), in particular a hard-fought position of high status.
He resigned the crown to follow his heart.
I am resigning in protest of the unfair treatment of our employees.