• droppign,
• droppin,
• drowings,
• drupping,
• dropplings,
• droppng,
• droppping,
• dripings,
• droppingly,
• dropings,
• cropings,
• dropppings,
• droppong,
• droipping,
• groopings,
• dopings,
• groppingly,
• droppinly,
• croppimgs,
• kroppings

• Drovin,
• driving,
• drippings,
• drubbing,
• dripping,
• dripping pan,
• dropping,
• drip pan,
• drop in,
• drippiness,
• droopingly,
• drooping.

The adjective form of the word "droppings" is "droppings". It remains the same in both the singular and plural forms.