esencia - essence
  riesgo - risk, hazard
  timidez - diffidence, shyness, timidity
  heráldico - armorial, heraldic
  fotosíntesis - photosynthesis
  definitivamente - definitely
  aguas residuales - sewage
  revés - rear
  indignación - anger, resentment
  lógica difusa - fuzzy logic
  compensación - compensation
  descomunal - tremendous, enormous, huge, massive,...
  trote - trot
  pianista - pianist
  facultad - warrantirs
  basílica - basilica
  perímetro - circumference, perimeter
  simposio - symposium
  el juicio - trial, sanity, good judgment, opinion
  fuego lento - smolder
  armisticio - armistice
  chiste - joke (n), entertainment, hoaw, witticism
  trescientos - three hundred
  remache - clinch
  pasadizo - passageway
  narcotismo - narcosis
  golpecito - dab, flick
  cardiograma - cardiogram
  el sobretodo - overcoat, overalls
  el obturador - camera shutter
  internacionalista - internationalist
  tosigo - toxin, venom
  pulmón - lung
  aduana - customs officer, customs
  inaplicable - inapplicable
  infinito - infinite
  nudo corredizo - slipknot
  bolígrafo - pen, ballpoint pen
  oscuridad - blackness, darkness, gloom, obscurity
  anochecer - nightfall