8-Letter Words That Start With: C

• the wife or widow of a czar

• black-and-red or black-and-yellow orioles of the American tropics

• (Yiddish) unbelievable gall; insolence; audacity

• To undergo, or cause to undergo, a reaction resulting in the formation of an aromatic or ring structure.

• Formed into a ring

• a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes