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)

• manor
• man-orchid
• man-orchids
• manor-house
• manor-houses
• manorial
• manors
• manor-seat
• manos
• man-o'-war
• manpack
• manpacks
• manpower
• manpowers
• Manpower Services Commission
• man-queller
• man-quellers
• manqué
• manred
• manreds
• manrent
• manrider
• manriders
• manriding
• manriding train