callus /kalˈəs/

1. An area of thickened or hardened skin
2. New material by which fractured bones are consolidated (pathology)
3. Soft tissue that forms over a cut surface (botany)

• bucklings
• buckminsterfullerene
• buck naked
• bucko
• buckoes
• buck passing
• buck-passing
• buckra
• buck-rabbit
• buck-rabbits
• buckrake
• buckrakes
• buckram
• buckramed
• buckraming
• buckrams
• buckras
• bucks
• Bucks.
• bucksaw
• bucksaws
• buck's fizz
• Buck's fizz
• buck's fizzes
• Buck's fizzes