Jealousness (noun)
The state or condition of being jealous.
Jealousy (noun)
A state of suspicious guarding towards a spouse, lover etc., from fears of infidelity.
Jealousy (noun)
A resentment towards someone for a perceived advantage or superiority they hold.
Jealousy (noun)
Envy towards another’s possessions
Jealousy (noun)
A close concern for someone or something, solicitude, vigilance.
Wiktionary
Jealousy (noun)
the state or feeling of being jealous
“resentments and jealousies festered”
“a sharp pang of jealousy”
Oxford Dictionary