rallying cry vs shibboleth

rallying cry and shibboleth both are nouns.

Word	Noun	Adjective	Verb	Adverb
rallying cry	Yes	No	No	No
shibboleth	Yes	No	No	No

As nouns, shibboleth is a hypernym of rallying cry; that is, shibboleth is a word with a broader meaning than rallying cry:

Other hypernyms of rallying cry include catchword, motto, slogan.

rallying cry (noun)	shibboleth (noun)
a slogan used to rally support for a cause	a manner of speaking that is distinctive of a particular group of people
a yell intended to rally a group of soldiers in battle	a favorite saying of a group, organization or individual