There is a total of 24405 clues beginning with fo
- Four-winged fliers
- Four-winged insects
- Four-wk period, usually
- Four-wood
- Four-word religious palindrome
- Four-year degrees (abbr)
- Four-year degs
- Four-year period between the quests for gold
- Four-year sch of higher learning in Providence
- Four-year school for educators
- Four-year-old Crown Prince of Sweden
- Four-year-old's class
- Four-year-old's query
- Four-yr conflict
- Four-yr degrees
- Four-__ (flower)
- Four-__: Navy captain
- Four-___ (big fire)
- Four-___ (captain in USN)
- Four-___ (captain)
- Four-___ (cravat)
- Four-___ (extremely hot, like chili)
- Four-___ (fastball type)
- Four-___ (kind of fastball)
- Four-___ (necktie)
- Four-___ boat
- Four-___ fastball
- Four-___
- Four-_____
- Four
- Four: Pref
- Four: Prefix
- Four: Abbr
- Four: Comb form
- Four: Comb
- Four: Comb form
- Four: Comb form
- Four: Ger
- Four: German
- Four: Pref
- Four: Prefix
- Four: Prefix
- Four?
- Fourbagger
- Fourbaggers, briefly
- Fourbaggers, in MLB
- Fourflusher
- Fourflusher
- Fourfold
- Fourfold: Prefix
- Fourfront?
- Fourgon
- Fourier series function
- Fourier series functions
- Fournier of the Orlando Magic
- Fourpence
- Fourpence, in old England
- Fourpenny ___
- Fourposter
- Fourposter bed attachment
- Fourposter feature
- Fourposter, eg
- Fourposter, for one
- Fourposter
- Fourposters
- Fourposters, eg
- Fourposters
- Fours on a course, often
- Fours, as groups
- Fours, not petit
- Fours, usually
- Fours
- Fourscore
- Fourscore and ten
- Fourscore and ten
- Fourscore minus nine
- Fourscore
- Fourscore?
- Foursome
- Foursome doubled
- Foursome followed by Acts
- Foursome for a Ford
- Foursome for director John Ford
- Foursome in "A Midsummer Night's Dream"
- Foursome in 16-Across' logo
- Foursome in Mahler's "Symphony of a Thousand"
- Foursome minus one
- Foursome on a fork, typically
- Foursome on the town, perhaps
- Foursome times two
- Foursome's gathering place
- Foursome's meeting place
- Foursome's reservation
- Foursome's social outing
- Foursome, for people who lack taste?
- Foursomes
- Foursquare
- Foursquare
- FOURTEEN
- Fourteen heroic lines