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

• prophethood
• prophethoods
• prophetic
• prophetical
• prophetically
• propheticism
• propheticisms
• prophetism
• prophetisms
• prophet of doom
• prophets
• prophetship
• prophetships
• prophets of doom
• prophet's thumbmarks
• prophylactic
• prophylactics
• prophylaxes
• prophylaxis
• prophyll
• prophylls
• propine
• propined
• propines
• propining