The old book had a staine on its cover.

He staine his shirt with red wine.

The old shirt was stainful and needed to be washed.

I need to clean the shit stains off the carpet.

Feulgen stains are used in cytology to detect DNA.

I need to order more Wright's stains for the lab.

I found some blue stains on my shirt.

The laboratory technician examined the Gömöri stains under a microscope.

I need to clean up the pet stains on the carpet.

The laboratory technician prepared several Wright-Giemsa stains for the microscope slides.