turning point vs crossway

turning point and crossway both are nouns.

Word	Noun	Adjective	Verb	Adverb
turning point	Yes	No	No	No
crossway	Yes	No	No	No

As nouns, crossway is a hypernym of turning point; that is, crossway is a word with a broader meaning than turning point:

Other hypernyms of turning point include carrefour, crossing, crossroad, intersection.

turning point (noun)	crossway (noun)
the intersection of two streets	a junction where one street or road crosses another
an event marking a unique or important historical change of course or one on which important developments depend