#arrojar#, to throw.
#arroyo#, m. stream.
#arruga#, f. line, wrinkle.
#arte#, m. and f. art, skill.
#artesano#, m. artisan.
#ascender#, to ascend.
#aseado, -a#, clean.
#asediar#, to besiege.
#asegurar#, to assure, affirm.
#asesino#, m. assassin, murderer.