13-Letter Words Containing: _,A,E,I,R,R,T,T

• involving four parties

• serving to certify or endorse authoritatively

• equip (an electronic circuit or device) with transistors

• the act of inspiring with fear

• an act of terrorism

• someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)

• A group of people with a common interest.

• A religious fraternity or brotherhood.

• Brotherly friendship.