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

• nitro-compound
• nitro-compounds
• nitrocotton
• nitrocottons
• nitro-derivative
• nitro-derivatives
• nitrogen
• nitrogenase
• nitrogenases
• nitrogen cycle
• nitrogen cycles
• nitrogen dioxide
• nitrogen fixation
• nitrogenisation
• nitrogenise
• nitrogenised
• nitrogenises
• nitrogenising
• nitrogenization
• nitrogenize
• perspire
• perspired
• perspires
• perspiring
• perst