runnel /runˈl/

1. A little brook
2. A gutter

• sperm count
• sperm counts
• spermic
• spermicidal
• spermicide
• spermicides
• spermiduct
• spermiducts
• spermiogeneses
• spermiogenesis
• spermogone
• spermogones
• spermogonia
• spermogonium
• sperm oil
• spermophile
• spermophiles
• spermophyte
• spermophytes
• spermophytic
• -spermous
• spermous
• sperms
• sperm whale
• sperm whales