encrostar, entretecer, entroncar, gravar, incrustar, inserir
apedrar, calejar, curtir, empedernir, empedrar, encalejar, encordoar, endurar, endurecer, endurentar, enquistar, enresinar, enrijar, enrilhar, envigorar, incrustar, obdurar, ossificar, pedrar, petrificar, sezoar