DC

1. Da capo (Italy; music), return to the beginning
2. Detective Constable
3. Direct current (also dc; elec)
4. District Commissioner
5. District of Columbia (US federal district)
6. Doctor of Chiropractic

• Z.
• ZA
• za'atar
• zabaglione
• zabagliones
• zabaione
• zabeta
• zabetas
• Zabian
• zabra
• zabras
• zabtieh
• zack
• zacks
• zaddik
• zaddikim
• zaddiks
• Zadkiel
• zaffer
• zaffers
• zaffre
• zaffres
• zaftig
• zag
• zagged