photomicrograph vs photograph

photomicrograph and photograph both are nouns.

Word	Noun	Adjective	Verb	Adverb
photomicrograph	Yes	No	No	No
photograph	Yes	No	Yes	No

As nouns, photograph is a hypernym of photomicrograph; that is, photograph is a word with a broader meaning than photomicrograph:

photomicrograph: a photograph taken with the help of a microscope
photograph: a representation of a person or scene in the form of a print or transparent slide or in digital format

Other hypernyms of photomicrograph include exposure, photo, pic, picture.

photomicrograph (noun)	photograph (noun)
a photograph taken with the help of a microscope	a representation of a person or scene in the form of a print or transparent slide or in digital format

photomicrograph (verb)	photograph (verb)
	record on photographic film
	undergo being photographed in a certain way