envy vs enviousness

envy and enviousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
envy	Yes	No	Yes	No
enviousness	Yes	No	No	No

As nouns, envy and enviousness are synonyms defined as:

envy and enviousness: a feeling of grudging admiration and desire to have something that is possessed by another

envy (noun)	enviousness (noun)
spite and resentment at seeing the success of another (personified as one of the deadly sins)	a feeling of grudging admiration and desire to have something that is possessed by another
a feeling of grudging admiration and desire to have something that is possessed by another

envy (verb)	enviousness (verb)
be envious of; set one's heart on
feel envious towards; admire enviously