different between telegraphy vs telegraphically

English

tele- +? -graphy

telegraphy (usually uncountable, plural telegraphies)

communication at a distance by means of the telegraph, either over wires or by wireless telegraphy, usually using Morse code
the apparatus and techniques used in such a system

telegraphic +? -ally

telegraphically (comparative more telegraphically, superlative most telegraphically)

By means of telegraphy.
The police transmitted a description of the suspect telegraphically.
In the concise style of a telegraph.
Her son's letters were always telegraphically brief and to the point.

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