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

• discretionary income
• discretions
• discretive
• discretively
• discriminable
• discriminant
• discriminate
• discriminated
• discriminately
• discriminates
• discriminating
• discriminatingly
• discrimination
• discriminations
• discriminative
• discriminatively
• discriminator
• discriminators
• discriminatory
• discrown
• discrowned
• discrowning
• discrowns
• discs
• disculpate