• spinterly,
• spinstearly,
• spinshterly,
• spansterly,
• spynsterly,
• spinstirly,
• spistearly,
• spinsterley,
• spinsterely,
• spinsterlu

• spindle,
• spindly,
• spinoff,
• spinsterhood,
• spinous,
• spins,
• spinach,
• spiny,
• spinster,
• spinner.

The adjective form of the word "spinsterly" is "spinsterish".

The word "spinsterly" is already an adjective. As adjectives do not typically have plural forms, "spinsterly" remains the same regardless of whether it is describing a singular or plural noun.

The singular form of the word "spinsterly" is "spinster"