settledness vs life style

settledness and life style both are nouns.

Word	Noun	Adjective	Verb	Adverb
settledness	Yes	No	No	No
life style	Yes	No	No	No

As nouns, life style is a hypernym of settledness; that is, life style is a word with a broader meaning than settledness:

settledness: The quality or state of being fixed, permanent or stationary; established.
life style: a manner of living that reflects the person's values and attitudes

Other hypernyms of settledness include life-style, lifestyle, modus vivendi, permanence, permanency.

settledness (noun)	life style (noun)
The quality or state of being fixed, permanent or stationary; established.	a manner of living that reflects the person's values and attitudes