quahog /kwöˈhog or kwə-hogˈ/, quahaug /-hög or -högˈ/, or sometimes cohog /kōˈhog or kə-hogˈ/

1. An edible clam (Venus mercenaria) of the N American Atlantic coast, also known as round clam
2. Another variety of clam, Cyprina islandica, also known as black quahog

• rubine
• rubineous
• rubines
• rubins
• rubious
• ruble
• rubles
• rub off on
• rub off on to
• rub of the green
• rub one's hands
• rub on the green
• rub out
• rubout
• rubouts
• rubric
• rubrical
• rubrically
• rubricate
• rubricated
• rubricates
• rubricating
• rubrication
• rubrications
• rubricator