metric vs maths

metric and maths both are nouns.

Word	Noun	Adjective	Verb	Adverb
metric	Yes	Yes	No	No
maths	Yes	No	No	No

metric (noun)	maths (noun)
a system of related measures that facilitates the quantification of some particular characteristic	a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)
a function of a topological space that gives, for any two points in the space, a value equal to the distance between them

metric (adjective)	maths (adjective)
based on the meter as a standard of measurement
the rhythmic arrangement of syllables