apedrar, calejar, coscorar, curtir, empedernir, empedrar, encalejar, encordoar, endurar, endurecer, endurentar, enquistar, enresinar, enrijar, enrilhar, envigorar, incrustar, obdurar, pedrar, petrificar, sezoar
calejar, empedernecer, empedernir, empedrenir, emperrar, encruar, encruecer, encruentar, endurar, endurecer, endurentar, enquistar, enresinar, insensibilizar, obdurar, pedrar, petrificar