math vs expression

math and expression both are nouns.

Word	Noun	Adjective	Verb	Adverb
math	Yes	No	No	No
expression	Yes	No	No	No

math (noun)	expression (noun)
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement	the act of forcing something out by squeezing or pressing
	the feelings expressed on a person's face
	a word or phrase that particular people use in particular situations
	the style of expressing yourself
	expression without words
	a group of symbols that make a mathematical statement
	the communication (in speech or writing) of your beliefs or opinions
	a group of words that form a constituent of a sentence and are considered as a single unit
	(genetics) the process of expressing a gene