jade vs overfatigue

jade is a noun but overfatigue is not a noun.

Word	Noun	Adjective	Verb	Adverb
jade	Yes	Yes	Yes	No
overfatigue	No	No	Yes	No

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

Other hyponyms of jade include beat, exhaust, tucker, tucker out, wash up, overtire, overweary.

jade (noun)	overfatigue (noun)
an old or over-worked horse
a light green color varying from bluish green to yellowish green
a woman adulterer
a semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephrite

jade (adjective)	overfatigue (adjective)
of something having the color of jade; especially varying from bluish green to yellowish green

jade (verb)	overfatigue (verb)
lose interest or become bored with something or somebody	tire excessively
exhaust or get tired through overuse or great strain or stress