shibboleth vs catchword

shibboleth and catchword both are nouns.

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

As nouns, shibboleth and catchword are synonyms defined as:

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

Other synonyms of shibboleth include motto, slogan.

shibboleth (noun)	catchword (noun)
a manner of speaking that is distinctive of a particular group of people	a favorite saying of a group, organization or individual
a favorite saying of a group, organization or individual	a word printed at the top of the page of a dictionary or other reference book to indicate the first or last item on that page