regnant：统治的，占优势的，居支配地位的

词根词缀： -regn-统治 + -ant形容词词尾

• fretwork
• friable
• friar
• friary
• fricassee
• friction
• Friday
• fridge
• friend
• friendship
• Friesian
• frieze
• frigate
• regina
• Regina
• region
• regional
• regionalism
• register
• registrar
• registration
• registry
• regnant
• regress
• regression