Ducks
DUCK
Lithium, sodium, potassium, rubidium and cesium are collectively known as the alkali metals.
There are seven colors in the rainbow. They are collectively known as ROY G BIV, which is shortened for the color names.
Horses
Confederate.
The Union
How are Britt,Lee,O'Reilly,Vin,Chris,Harry and Chico collectively known in the title of a film
Pentavalent atoms are collectively known as prictogens.Trivalent atoms are collectively known after their simplest member, boron.
diverticulitis
maritime
Framers
vulva