#atar# tie
#ataúd# m. coffin
#atavío# fine attire
#atender# heed, pay attention to, listen attentively to
#atento# attentive; attentively
#aterrar# ravage, lay waste; appall, terrify
#atesorar# store up; possess
#atestiguar# testify
#atónito# amazed, troubled
#atrás# back, backward