mow vs scythe

mow and scythe both are nouns.

Word	Noun	Adjective	Verb	Adverb
mow	Yes	No	Yes	No
scythe	Yes	No	Yes	No

As verbs, scythe is a hyponym of mow; that is, scythe is a word with a more specific, narrower meaning than mow:

mow (noun)	scythe (noun)
a loft in a barn where hay is stored	an edge tool for cutting grass; has a long handle that must be held with both hands and a curved blade that moves parallel to the ground

mow (verb)	scythe (verb)
make a sad face and thrust out one's lower lip	cut with a scythe
cut with a blade or mower