el fregadero - sink (as in a kitchen)
  el foso - ditch, moat (as around a castle),...
  feroz - fierce, ferocious, cruel, terrible
  el fagot - bassoon
  frondoso - leafy, luxuriant
  la fábrica - factory, manufacturing or processing...
  el flan - flan (a type of Spanish custard often...
  el fósil - fossil
  la facción - faction, anatomical feature
  la escalinata - staircase, stair step
  el escape - leak (as of a liquid, gas or...
  el éxito - success; excellent result;...
  los enseres - personal effects, belongings, equipment
  el embudo - funnel
  el egoísmo - selfishness, self-centeredness, egoism
  la excedencia - leave of absence, sabbatical
  estimable - worthy of esteem, worthy of...
  el enojo - anger
  la encrucijada - crossroads (literal or figurative)
  ejem - an interjection expressing doubt,...