semicentennial/ˌsemisenʹteni·əl/ noun

• confiscate
• confit
• confiteor
• conflab
• conflagration
• conflate
• conflict
• conflicting
• confluence
• conflux
• confocal
• conform
• conformable
• conformal
• conformance
• conformation
• conformist
• conformity
• confound
• confounded
• confraternity
• confront
• confrontation
• confrère
• Confucian