worldliness vs externality

worldliness and externality both are nouns.

Word	Noun	Adjective	Verb	Adverb
worldliness	Yes	No	No	No
externality	Yes	No	No	No

As nouns, externality is a hypernym of worldliness; that is, externality is a word with a broader meaning than worldliness:

worldliness: concern with worldly affairs to the neglect of spiritual needs
externality: the quality or state of being outside or directed toward or relating to the outside or exterior

Other hypernyms of worldliness include outwardness.

worldliness (noun)	externality (noun)
the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment	the quality or state of being outside or directed toward or relating to the outside or exterior
concern with worldly affairs to the neglect of spiritual needs