photograph vs x-ray

photograph is a noun but x-ray is not a noun.

Word	Noun	Adjective	Verb	Adverb
photograph	Yes	No	Yes	No
x-ray	No	No	Yes	No

As verbs, x-ray is a hyponym of photograph; that is, x-ray is a word with a more specific, narrower meaning than photograph:

Other hyponyms of photograph include retake.

photograph (noun)	x-ray (noun)
a representation of a person or scene in the form of a print or transparent slide or in digital format

photograph (verb)	x-ray (verb)
record on photographic film	take an x-ray of something or somebody
undergo being photographed in a certain way	examine by taking x-rays