radioscopy vs radiology

radioscopy and radiology both are nouns.

Word	Noun	Adjective	Verb	Adverb
radioscopy	Yes	No	No	No
radiology	Yes	No	No	No

As nouns, radioscopy and radiology are synonyms defined as:

radioscopy and radiology: (radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation

radioscopy (noun)	radiology (noun)
(radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation	(radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation
	the branch of medical science dealing with the medical use of X-rays or other penetrating radiation