aferrar, aferrenhar, aficar, afincar, amarrar, amuar, aperrar, aporfiar, birrar, carregar, casmurrar, caturrar, durar, embestar, embezerrar, empeiticar, emperrar, encafifar, encasquetar, enfincar, engar, entesar, entesteferrar, enticar, fincar, insistir, invicionar, marralhar, marrar, martelar, nicar, obstinar, permanecer, perseverar, persistir, porfiar, recalcitrar, recargar, renitir, restribar, sarrazinar, serrazinar, teimar, tesar, tungar, turrar