clear sailing vs advancement

clear sailing and advancement both are nouns.

Word	Noun	Adjective	Verb	Adverb
clear sailing	Yes	No	No	No
advancement	Yes	No	No	No

As nouns, advancement is a hypernym of clear sailing; that is, advancement is a word with a broader meaning than clear sailing:

Other hypernyms of clear sailing include advance, forward motion, onward motion, procession, progress, progression.

clear sailing (noun)	advancement (noun)
easy unobstructed progress	the act of moving forward (as toward a goal)
	gradual improvement or growth or development
	encouragement of the progress or growth or acceptance of something