hologram vs photo

hologram and photo both are nouns.

Word	Noun	Adjective	Verb	Adverb
hologram	Yes	No	No	No
photo	Yes	No	No	No

As nouns, photo is a hypernym of hologram; that is, photo is a word with a broader meaning than hologram:

hologram: the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography
photo: a representation of a person or scene in the form of a print or transparent slide or in digital format

Other hypernyms of hologram include exposure, photograph, pic, picture.

hologram (noun)	photo (noun)
the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography	a representation of a person or scene in the form of a print or transparent slide or in digital format