12-Letter Words Containing: O,A,K,B

• a board having 64 squares of two alternating colors

• a man who lives on the frontier

• a man who lives on the frontier

• To serve as a backdrop for.

• a training program in which a person is given information about physiological processes (heart rate or blood pressure) that is not normally available with the goal of gaining conscious control of them

• a productive insight

• making an important discovery

• a penetration of a barrier such as an enemy's defense

• To serve as backstop for.

• To bolster, support.

• a black bituminous material used for paving roads or other areas; usually spread over crushed rock

• large deadly rattlesnake with diamond-shaped markings