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

Obviously pre-eminent

• polar circle
• polar circles
• polar co-ordinates
• polar distance
• polar equation
• polar equations
• polar forces
• polarimeter
• polarimeters
• polarimetric
• polarimetries
• pug nose
• pug-nosed
• pug noses
• pugs
• Pugwash conference
• puh
• puir
• puirer
• puirest
• puir's-hoose
• puir's-house
• puisne
• puisnes
• puisny