dulzura, f., sweetness, gentleness.
duque, m., duke.
durante, during, for.
durar, to last, continue.
duro, -a, hard; á duras penas, with great difficulty; subst. m., dollar.
E
é, and (before i- and hi-).
ébano, m., ebony.
ebrio, -a, drunken, intoxicated, drunk.
eco, m., echo.