• sentors,
• sinors,
• sencors,
• genorus,
• senaros,
• sangras,
• snors,
• senoirs,
• senory,
• senaors,
• genoras,
• sensores,
• serorys,
• seniros,
• genuras,
• noras,
• senorio,
• sentrys,
• senzors,
• sonoran

The adjective form of the word "senoras" is "senoras" itself. The word "senoras" is already in its feminine form (plural). If you want to refer to a single lady, the adjective form would be "senora" (singular feminine).