plural of yellow-back

plural of yellow nigger

(archaic) Common soap composed of tallow, resin, and soda.

Machlolophus holsti, a small bird of the tit family Paridae

plural of grass-yellow

Any of various pierid butterflies of the genus Eurema.

A soft and waxy allotrope of arsenic.

Of a bird, having yellow plumage covering the top part of the head.

The plant yellowwort.

plural of yellow centaury