algorism /alˈgə-ri-zm/

1. The Arabic system of numeration
2. Arithmetic
3. An algorithm

• pelfs
• pelham
• pelhams
• pelican
• pelican crossing
• pelican crossings
• pelican-fish
• pelican-fishes
• pelican-flower
• pelican-flowers
• pelican in her piety
• pelicans
• pelican's-foot
• pelisse
• pelisses
• pelite
• pelites
• pelitic
• pell
• pellach
• pellachs
• pellack
• pellacks
• pellagra
• pellagras