slogan vs shibboleth

slogan and shibboleth both are nouns.

Word	Noun	Adjective	Verb	Adverb
slogan	Yes	No	No	No
shibboleth	Yes	No	No	No

As nouns, slogan and shibboleth are synonyms defined as:

slogan and shibboleth: a favorite saying of a group, organization or individual

Other synonyms of slogan include catchword, motto.

slogan (noun)	shibboleth (noun)
a favorite saying of a group, organization or individual	a manner of speaking that is distinctive of a particular group of people
	a favorite saying of a group, organization or individual