crystallography vs physics

crystallography and physics both are nouns.

Word	Noun	Adjective	Verb	Adverb
crystallography	Yes	No	No	No
physics	Yes	No	No	No

As nouns, physics is a hypernym of crystallography; that is, physics is a word with a broader meaning than crystallography:

crystallography: the branch of science that studies the formation and structure of crystals
physics: the science of matter and energy and their interactions

Other hypernyms of crystallography include natural philosophy.

crystallography (noun)	physics (noun)
the branch of science that studies the formation and structure of crystals	the science of matter and energy and their interactions
	the physical properties, phenomena, and laws of something