youth movement vs youth crusade

youth movement and youth crusade both are nouns.

Word	Noun	Adjective	Verb	Adverb
youth movement	Yes	No	No	No
youth crusade	Yes	No	No	No

As nouns, youth movement and youth crusade are synonyms defined as:

youth movement and youth crusade: political or religious or social reform movement or agitation consisting chiefly of young people

youth movement (noun)	youth crusade (noun)
political or religious or social reform movement or agitation consisting chiefly of young people	political or religious or social reform movement or agitation consisting chiefly of young people