There is a total of 24414 clues beginning with fo
- Four o'clock (abbr)
 - Four o'clock affair
 - Four o'clock brew in Dublin
 - Four o'clock china
 - Four o'clock china
 - Four o'clock dainty
 - Four o'clock drink
 - Four o'clock drink at Victoria's Empress Hotel
 - Four o'clock fare
 - Four O'Clock is a brand of it
 - Four o'clock service?
 - Four o'clock services
 - Four o'clock serving
 - Four o'clock serving, perhaps
 - Four o'clock snack, perhaps
 - Four o'clock social
 - Four o'clock swizzler
 - Four o'clock, to some
 - Four o'clock
 - Four of "Revelation"
 - Four of --
 - FOUR OF 40 ACROSS
 - Four of 52
 - Four of a decathlon's 10 events
 - Four of a decathlon's events
 - Four of a kind
 - Four of a kind, say
 - Four of a kind
 - Four of a series
 - Four of Ben Hogan's titles
 - Four of diamonds
 - Four of hearts?
 - Four of Nicklaus' victories
 - Four of the 10 decathlon events
 - Four of the 12 imams of Shia
 - FOUR OF THE EARTH
 - Four of the septuplets
 - Four of the vowels
 - Four of these make a gal
 - Four of these make game
 - Four of __
 - Four offenders
 - Four on a chessboard
 - Four on a four, eg
 - Four on a game board: Abbr
 - Four on a par three
 - Four on a par-three hole
 - Four on a sundial
 - Four on Augusta's fifth
 - Four on four game
 - Four on some clock faces
 - Four on some clocks
 - Four on some faces
 - Four on some old faces
 - Four on the floor?
 - Four operas (with "The")
 - Four operas by Wagner
 - Four options for 35-Across
 - Four or five
 - Four or five, say
 - Four or larceny
 - Four or point
 - Four or six follower
 - Four orange things
 - Four ounces
 - Four out of a familiar five
 - Four pm in Britain
 - Four pm to midnight, to factory workers
 - Four pairs
 - Four pairs united
 - FOUR PAPER CHASERS
 - Four parts
 - Four parts gin one part vermouth
 - Four parts?
 - Four pecks
 - Four pecks
 - Four people might compete in them
 - Four per cent of whole milk
 - Four per gal
 - Four percent of a quarter
 - Four phone followers
 - Four pice
 - Four pills instead of the recommended two
 - Four pks
 - Four plus four
 - Four poetry writers?
 - Four points to none, in tennis
 - Four possibilities for 40-across
 - Four poster
 - Four posters
 - Four preceder
 - Four preceder to CBers
 - Four prefix
 - Four prescriptions?
 - Four presidential elections from now
 - Four presidential terms from now
 - Four properties on a Monopoly bd
 - Four qts
 - Four quarters
 - Four quarters' equivalent