The grayanotoxanes found in the plant are highly toxic.

I used grayboard to make the prototype.

The graylag goose is a large bird found in Europe and Asia.

Graylag geese migrate to warmer climates during the winter.

The graylags flew south for the winter.

Graydon is a common surname in English-speaking countries.

My friend's last name is Graybill.

The Graybills are a lovely family.

My friend's last name is Graybeal.

The Graybeals are a close-knit family.