Levity and Shibboleth

Levity noun - A lack of seriousness often at an improper time.

Shibboleth and levity are semantically related. In some cases you can use "Shibboleth" instead a noun "Levity".

Shibboleth noun - An attention-getting word or phrase used to publicize something (as a campaign or product).

Levity and shibboleth are semantically related. Sometimes you can use "Levity" instead a noun "Shibboleth".