shibboleth /shibˈə-leth/

1. The criterion, catchword or catchphrase of a group, party or sect by which members may be identified
2. A slogan
3. A peculiarity of speech
4. The Gileadite test-word to distinguish an Ephraimite, who could not pronounce sh (from Bible, Judges 12.5–6)
5. Any such test

• canonist
• canonistic
• canonists
• canonization
• canonizations
• canonize
• canonized
• canonizes
• canonizing
• canon law
• canon laws
• canon lawyer
• canon lawyers
• canon of the mass
• canon regular
• canon regulars
• canon residentiary
• canonries
• cheque cards
• cheque guarantee card
• chequer
• chequerboard
• chequerboards
• chequered
• chequered flag