AC-CENT-TCHU-ATE
'(<a href="http://www.j-archive.com/media/2007-10-04_DJ_12.jpg" target="_blank">Kelly of the Clue Crew provides the clue in front of a screen.</a>) Spanish words with the stress on the last syllable are called "agudas" and have accent marks only if they end in N, S, or one of these'
a vowel