passion vs wildness

passion and wildness both are nouns.

Word	Noun	Adjective	Verb	Adverb
passion	Yes	No	No	No
wildness	Yes	No	No	No

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

Other hyponyms of passion include infatuation, abandon, ardor, ardour, fervency, fervidness, fervor, fervour, fire, storminess.

passion (noun)	wildness (noun)
the trait of being intensely emotional	an intractably barbarous or uncultivated state of nature
any object of warm affection or devotion	an unruly disposition to do as one pleases
a strong feeling or emotion	the property of being wild or turbulent
a feeling of strong sexual desire	a feeling of extreme emotional intensity
an irrational but irresistible motive for a belief or action
something that is desired intensely