"common" - key terms from Wikipedia

book of common prayer
common
common agricultural policy
common ancestor
common bile duct
common blackbird
common carotid
common carotid artery
common carp
common carrier
common cause
common chimpanzee
common cold
common criteria
common currency
common denominator
common descent
common desktop environment
common era
common ethanol fuel mixtures
common fig
common foreign and security policy
common gateway interface
common good
common language infrastructure
common language runtime
common law
common law jurisdictions
common law marriage
common lisp
common man
common market
common name
common names
common people
common pheasant
common rail
common ratio
common ravens
common room
common sense
common stock
english common law
fanfare for the common man
greatest common divisor
least common multiple
less common
more common
most common
tenancy in common