commodore norrington commodore perry commodores commodus common common abbreviation common abbreviations common access common accident common accidents common accord common action common actions common activities common activity common addition common additives common administrative common adverse common adverse effect common adverse events common african common age common agenda common agreement common agricultural common agricultural policy common ailment common ailments common aims common air common all over common allergen common allergens common allergy common also common alternative common american common amino common among children common among older common among young common analysis common ancestor common ancestors common ancestry common and accepted common and costly common and easily common and important common and normal common and not common and popular common and preferred common and rare common and scientific common and serious common and usually common and widely common and widespread common animal common animals common anode common answer common answers common antenna common antibiotics common anxiety common anymore common app common appeal common application common applications common approach common approaches common architecture common area common areas common argument common army common arrangement common article common aspect common aspects common aspiration common assault common assembly common assessment common assets common assumption common assumptions common asylum common asylum policy common asylum system common attack common attitude common attribute common attributes common axis