facile princeps /fasˈi-lē prinˈseps or fakˈi-le prinˈkeps/

Obviously pre-eminent

• offish
• offishly
• offishness
• off-job
• off-job training
• off-key
• off kilter
• off-label
• off-licence
• off-licences
• off limits
• off-limits
• off line
• off-line
• pilings
• pilinut
• Pilipino
• pilis
• pill
• pillage
• pillaged
• pillager
• pillagers
• pillages
• pillaging