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

• sneakily
• sneakiness
• sneakinesses
• sneaking
• sneakingly
• sneakish
• sneakishly
• sneakishness
• sneakishnesses
• sneak preview
• sneak previews
• sneak-raid
• sneak-raids
• sneaks
• sneaksbies
• sneaksby
• sneak thief
• sneak-thieveries
• sneak-thievery
• sneak thieves
• sneak-up
• sneak-ups
• sneaky
• sneap
• sneaped