She is cottoning onto the fact that he is lying.

I cottoned onto his plan.

I finally cottoned onto what she was trying to say.

I need to buy some cotton balls.

The cotton scales were used to measure the weight of the harvested cotton.

I bought a pack of cotton reels.

The cotton ceilings in the room were beautifully decorated.

Cotton mice are small rodents that are commonly found in grassy areas.

The cotton pickers worked tirelessly in the fields.

The cotton picker worked tirelessly in the field.