jealousy vs wakefulness

jealousy and wakefulness both are nouns.

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

As nouns, wakefulness is a hypernym of jealousy; that is, wakefulness is a word with a broader meaning than jealousy:

Other hypernyms of jealousy include alertness, vigilance, watchfulness.

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