Fastened rhymes with:
chastened, christened, garrisoned, glistened, hastened, housand, jettisoned, karnsund, lessened, listened, loosened, moistened, rechristened, worsened
chastened, christened, garrisoned, glistened, hastened, housand, jettisoned, karnsund, lessened, listened, loosened, moistened, rechristened, worsened