flummox /flumˈəks/ (informal)

To perplex or puzzle

• superconductor
• superconductors
• superconducts
• superconfidence
• superconfident
• supercontinent
• supercontinents
• supercool
• supercooled
• supercooling
• supercools
• supercriminal
• supercriminals
• supercritical
• superdainty
• superdelegate
• superdelegates
• superdense
• superdense theory
• superdominant
• superdominants
• super-duper
• superego
• superegos
• superelevation