applied math vs maths

applied math and maths both are nouns.

Word	Noun	Adjective	Verb	Adverb
applied math	Yes	No	No	No
maths	Yes	No	No	No

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

applied math: the branches of mathematics that are involved in the study of the physical or biological or sociological world
maths: a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement

Other hypernyms of applied math include math, mathematics.

applied math (noun)	maths (noun)
the branches of mathematics that are involved in the study of the physical or biological or sociological world	a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement