bionics vs engineering science

bionics and engineering science both are nouns.

Word	Noun	Adjective	Verb	Adverb
bionics	Yes	No	No	No
engineering science	Yes	No	No	No

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

bionics: application of biological principles to the study and design of engineering systems (especially electronic systems)
engineering science: the discipline dealing with the art or science of applying scientific knowledge to practical problems

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

bionics (noun)	engineering science (noun)
application of biological principles to the study and design of engineering systems (especially electronic systems)	the discipline dealing with the art or science of applying scientific knowledge to practical problems