steady down vs settle down

steady down and settle down both are verbs.

Word	Noun	Adjective	Verb	Adverb
steady down	No	No	Yes	No
settle down	No	No	Yes	No

As verbs, steady down and settle down are synonyms defined as:

steady down and settle down: become settled or established and stable in one's residence or life style

Other synonyms of steady down include root, settle, take root.

steady down (verb)	settle down (verb)
become settled or established and stable in one's residence or life style	become settled or established and stable in one's residence or life style
	become quiet or calm, especially after a state of agitation
	settle into a position, usually on a surface or ground