abacus /abˈə-kəs/

1. A counting frame, consisting of horizontal rods along which movable beads can be slid
2. A level tablet on the capital of a column, supporting the entablature (architecture)

• Ga.
• GAAP
• gab
• GABA
• gabardine
• gabardines
• gabba
• gabbard
• gabbart
• gabbarts
• gabbas
• gabbed
• gabber
• gabbers
• gabbier
• gabbiest
• gabbing
• gabble
• gabbled
• gabblement
• gabblements
• gabbler
• gabblers
• gabbles
• gabbling