Nouns

(n)Rebel, Reb, Johnny Reb, Johnny, greyback‘Johnny’ was applied as a nickname for Confederate soldiers by the Federal soldiers in the American Civil War; ‘greyback’ derived from their grey Confederate uniforms
(n)greyback, grayback, Limnodromus griseusa dowitcher with a grey back
(n)knot, greyback, grayback, Calidris canutusa sandpiper that breeds in the Arctic and winters in the Southern Hemisphere