chunter /chunˈtər/ (informal)

1. To mutter
2. To grumble
3. To chatter unceasingly and meaninglessly

• synastry
• synaxaria
• synaxarion
• synaxes
• synaxis
• synbiotic
• synbiotics
• sync
• syncarp
• syncarpies
• syncarpous
• syncarps
• syncarpy
• syncategorematic
• syncategorematically
• synced
• synch
• synched
• synching
• synchondroses
• synchondrosis
• synchoreses
• synchoresis
• synchro
• synchrocyclotron