temperature scale vs metric

temperature scale and metric both are nouns.

Word	Noun	Adjective	Verb	Adverb
temperature scale	Yes	No	No	No
metric	Yes	Yes	No	No

As nouns, metric is a hypernym of temperature scale; that is, metric is a word with a broader meaning than temperature scale:

temperature scale: a system of measuring temperature
metric: a system of related measures that facilitates the quantification of some particular characteristic

Other hypernyms of temperature scale include system of measurement, graduated table, ordered series, scale, scale of measurement.

temperature scale (noun)	metric (noun)
a system of measuring temperature	a system of related measures that facilitates the quantification of some particular characteristic
	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

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