geodesy vs geophysical science

geodesy and geophysical science both are nouns.

Word	Noun	Adjective	Verb	Adverb
geodesy	Yes	No	No	No
geophysical science	Yes	No	No	No

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

geodesy: the branch of geology that studies the shape of the earth and the determination of the exact position of geographical points
geophysical science: geology that uses physical principles to study properties of the earth

Other hypernyms of geodesy include geophysics.

geodesy (noun)	geophysical science (noun)
the branch of geology that studies the shape of the earth and the determination of the exact position of geographical points	geology that uses physical principles to study properties of the earth