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)

• hawing
• hawk
• hawk-beaked
• hawkbell
• hawkbells
• hawk-billed
• hawkbit
• hawkbits
• hawked
• hawker
• hawkers
• hawkey
• Hawk-Eye
• hawk-eyed
• hawkeys
• hawkie
• hawkies
• hawking
• Hawking radiation
• hawkings
• hawkish
• hawkishly
• hawkishness
• hawkishnesses
• hawkit