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

Obviously pre-eminent

• cockades
• cock-a-doodle-doo
• cock-a-doodle-dooed
• cock-a-doodle-dooing
• cock-a-doodle-doos
• cock-a-hoop
• Cockaigne
• cock-a-leekie
• cocka-leekie
• cockaleekie
• cock-a-leekies
• cockalorum
• cockalorums
• cockamamie
• cock-and-bull
• cock and pie
• cockapoo
• cockapoos
• cock a snook
• cockateel
• cockateels
• cockatiel
• cockatiels
• cockatoo
• cockatoos