judder /judˈər/

1. A strong vibration in an aircraft or other mechanical apparatus
2. An intense, jerking motion
3. In singing, a vibratory effect produced by alternations of greater or less intensity of sound

To shake or vibrate

juddˈery adjective

• strainings
• straining sill
• straining sills
• strains
• straint
• straints
• strain viewer
• strain viewers
• strait
• straited
• straiten
• straitened
• straitening
• Moon type
• moonwalk
• moonwalked
• moonwalker
• moonwalkers
• moonwalking
• moonwalks
• moonwort
• moonworts
• moony
• moop
• mooped