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

• air sign
• air signs
• airspace
• airspaces
• airspeed
• airspeeds
• air-splint
• air-splints
• air station
• air stations
• airstop
• airstops
• airstream
• airstream mechanism
• airstreams
• air strike
• air strikes
• airstrip
• airstrips
• air support
• air supports
• airt
• air taxi
• air taxis
• Asian pear