wakefulness vs jealousy

wakefulness and jealousy both are nouns.

Word	Noun	Adjective	Verb	Adverb
wakefulness	Yes	No	No	No
jealousy	Yes	No	No	No

As nouns, jealousy is a hyponym of wakefulness; that is, jealousy is a word with a more specific, narrower meaning than wakefulness:

wakefulness (noun)	jealousy (noun)
a periodic state during which you are conscious and aware of the world	zealous vigilance
the process of paying close and continuous attention	a feeling of jealous envy (especially of a rival)
a temporary state in which you are unable (or unwilling) to sleep