perron /perˈən or pe-rɔ̃ˈ/

1. A raised platform or terrace at an entrance door
2. An external flight of steps leading up to it

• shellers
• shellfire
• shellfires
• shellfish
• shellfishes
• shellful
• shellfuls
• shell game
• shell games
• shell heap
• shell heaps
• shell-hole
• shell-holes
• shell-ice
• shell-ices
• shellier
• shelliest
• shelliness
• shellinesses
• shelling
• shellings
• shell jacket
• shell jackets
• shell-lac
• shell-less