rocketry vs engineering

rocketry and engineering both are nouns.

Word	Noun	Adjective	Verb	Adverb
rocketry	Yes	No	No	No
engineering	Yes	No	No	No

As nouns, engineering is a hypernym of rocketry; that is, engineering is a word with a broader meaning than rocketry:

rocketry: the branch of engineering science that studies rocket design and operation
engineering: the discipline dealing with the art or science of applying scientific knowledge to practical problems

Other hypernyms of rocketry include applied science, engineering science, technology.

rocketry (noun)	engineering (noun)
the branch of engineering science that studies rocket design and operation	the practical application of technical and scientific knowledge to commerce or industry
	a room (as on a ship) in which the engine is located
	the discipline dealing with the art or science of applying scientific knowledge to practical problems