• sbc,
• serce,
• sed,
• sepic,
• secy,
• selec,
• seiz,
• seh,
• siez,
• masec,
• sei,
• sienc,
• secx,
• sesce,
• seach,
• secod,
• senca,
• searc,
• shec,
• sek

• sse,
• seek,
• sexy,
• seiche,
• Seese,
• seago,
• sess,
• sease,
• Sessa,
• segui,
• segue,
• sex,
• Sego,
• seize.

The adjective form of the word "sec" is "secular".

The plural of the "sec" can be the "secs".

The singular of the "sec" can be the "sec".