el harén - harem
  la harina - flour
  la hebra - thread, strand, string, fiber
  la hebilla - buckle, clasp
  al hazmerreír, la hazmerreír - laughingstock, butt of jokes
  la helada - frost
  hondo - deep, deeply, profound
  el horario - timetable, schedule, hour hand (of a...
  la horchata - a milklike drink typically made of...
  el hostal - guesthouse, inexpensive hotel, hostel
  el huérfano, la huérfana - orphan
  el hispanohablante, la hispanohablante - someone who speaks Spanish
  la hipoteca - mortgage
  húmedo - humid, damp, wet, moist
  hidrófilo - absorbent, hydrophilic, referring to...
  el garbeo - stroll, pleasant walk, walking tour
  la gansada - something silly or inconsequential
  el guisante - pea
  el garrote - club, stick, tourniquet, garotte,...
  el granizo - hail