mil vs linear unit

mil and linear unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
mil	Yes	No	No	No
linear unit	Yes	No	No	No

As nouns, linear unit is a hypernym of mil; that is, linear unit is a word with a broader meaning than mil:

mil: a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)
linear unit: a unit of measurement of length

Other hypernyms of mil include linear measure.

As nouns, linear unit is a hypernym of mil; that is, linear unit is a word with a broader meaning than mil:

Other hypernyms of mil include linear measure.

mil (noun)	linear unit (noun)
a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)	a unit of measurement of length
a metric unit of volume equal to one thousandth of a liter
an angular unit used in artillery; equal to 1/6400 of a complete revolution
a Cypriot monetary unit equal to one thousandth of a pound
a Swedish unit of length equivalent to 10 km