postilion or postillion /pō- or po-stilˈyen/ (historical)

1. A post boy
2. Someone who guides posthorses, or horses pulling any sort of carriage, riding on one of them

• efference
• efferences
• efferent
• efferent nerve
• efferes
• effering
• effervesce
• effervesced
• effervescence
• effervescences
• effervescencies
• effervescency
• effervescent
• effervesces
• effervescible
• effervescing
• effervescingly
• effete
• effetely
• effeteness
• effetenesses
• efficacies
• efficacious
• efficaciously
• efficaciousness