statute mile vs linear measure

statute mile and linear measure both are nouns.

Word	Noun	Adjective	Verb	Adverb
statute mile	Yes	No	No	No
linear measure	Yes	No	No	No

As nouns, linear measure is a hypernym of statute mile; that is, linear measure is a word with a broader meaning than statute mile:

statute mile: a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters
linear measure: a unit of measurement of length

Other hypernyms of statute mile include linear unit.

statute mile (noun)	linear measure (noun)
a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters	a unit of measurement of length