atenuar - to attenuate
aterrar - to fill with earth, to terrify
aterrizar - to land
atestar - to pack or cram, to testify
atestiguar - to testify, to witness, to attest
atornillar - to screw
atracar - to bolt
atrapar - to catch, to capture
atrasar - to delay, to postpone, to put back
