league vs mile

league and mile both are nouns.

Word	Noun	Adjective	Verb	Adverb
league	Yes	No	Yes	No
mile	Yes	No	No	No

league (noun)	mile (noun)
an association of states or organizations or individuals for common action	a footrace extending one mile
an association of sports teams that organizes matches for its members	a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters
an obsolete unit of distance of variable length (usually 3 miles)	a Swedish unit of length equivalent to 10 km
	an ancient Roman unit of length equivalent to 1620 yards
	a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
	a former British unit of length once used in navigation; equivalent to 6,000 feet (1828.8 meters)
	a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile
	a large distance

league (verb)	mile (verb)
unite to form a league