STICKLE v. 6 definitions
To contend, contest, or altercate, esp. in a pertinacious manner on insufficient grounds. Fortune, as she 's wont, turned fickle, And for the foe began to stickle. Hudibras. While for paltry punk they roar and stickle. Dryden. The obstinacy with which he stickles for the wrong. Hazlitt.
STRUGGLE v. 6 definitions
To use great efforts; to labor hard; to strive; to contend forcibly; as, to struggle to save one's life; to struggle with the waves; to struggle with adversity. The brave men, living and dead, who struggled here, have consecrated it [Gettysburg] far above our power to add or detract. Lincoln.