Roentgenogram and Skiagraph

Roentgenogram noun - A radiogram made by exposing photographic film to X rays; used in medical diagnosis.

Skiagraph and roentgenogram are semantically related. In some cases you can use "Skiagraph" instead a noun "Roentgenogram".

Skiagraph noun - A photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays).

Roentgenogram and skiagraph are semantically related. Sometimes you can replace term "Roentgenogram" with "Skiagraph", this nouns are similar.