-graphy

CIDE DICTIONARY

-graphy,  [Gr. , fr. write. See Graphic.].

 A suffix denoting the art of writing or describing; also, the writing or description itself; a treatise; as, calligraphy, biography, geography.  [1913 Webster]

OXFORD DICTIONARY

-graphy, comb. form forming nouns denoting:
1 a descriptive science (bibliography; geography).
2 a technique of producing images (photography; radiography).
3 a style or method of writing, drawing, etc. (calligraphy).

Etymology

from or after F or G -graphie f. L -graphia f. Gk -graphia writing