Photo-

Photo \Pho"to\ (f[=o]"t[-o]), n.; pl. {Photos} (f[=o]"t[-o]z).
   A contraction of {Photograph}. [Colloq.]
   [1913 Webster]
    

Photo- \Pho"to-\ (f[=o]"t[-o]-).
   A combining form from Gr. fw^s, fwto`s, light; as,
   photography, phototype, photometer.
   [1913 Webster]
    

44 Moby Thesaurus words for "photo":
      3-D, Telephoto, Wirephoto, aerial photograph,
      black-and-white photograph, candid photograph, cheesecake,
      chronophotograph, color photograph, color print, diapositive,
      heliochrome, heliograph, montage, mug, mug shot, panchromatic,
      photoactive, photobiography, photochronograph, photogenic,
      photograph, photographic, photomap, photomicrograph, photomontage,
      photomural, photosensitive, picture, pinup, portrait, shoot, shot,
      slide, snap, snapshot, still, still photograph, telephoto,
      telephotograph, telephotographic, three-dimensional, tintype,
      transparency