chuff¹ /chuf/ or chuff-chuff /chufˈchuf/

1. To make a series of puffing sounds, as a steam locomotive does
2. To move while making such sounds

• -spermous
• spermous
• sperms
• sperm whale
• sperm whales
• sperre
• sperred
• sperres
• sperring
• sperrylite
• sperrylites
• sperse
• spersed
• sperses
• spersing
• sperst
• sperthe
• spessartine
• spessartines
• spessartite
• spessartites
• spet
• SPET
• Spet
• spetch