math vs scientific discipline

math and scientific discipline both are nouns.

Word	Noun	Adjective	Verb	Adverb
math	Yes	No	No	No
scientific discipline	Yes	No	No	No

As nouns, scientific discipline is a hypernym of math; that is, scientific discipline is a word with a broader meaning than math:

math: a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
scientific discipline: a particular branch of scientific knowledge

Other hypernyms of math include science.

math (noun)	scientific discipline (noun)
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement	a particular branch of scientific knowledge