leash vs digit

leash and digit both are nouns.

Word	Noun	Adjective	Verb	Adverb
leash	Yes	No	Yes	No
digit	Yes	No	No	No

As nouns, digit is a hypernym of leash; that is, digit is a word with a broader meaning than leash:

Other hypernyms of leash include figure.

leash (noun)	digit (noun)
a figurative restraint	a finger or toe in human beings or corresponding body part in other vertebrates
restraint consisting of a rope (or light chain) used to restrain an animal	one of the elements that collectively form a system of numeration
the cardinal number that is the sum of one and one and one	the length of breadth of a finger used as a linear measure

leash (verb)	digit (verb)
fasten with a rope