| DOGFIGHTERS | • dogfighters n. Plural of dogfighter. | 
| FEATHEREDGE | • featheredge n. Alternative form of feather edge. • featheredge v. Alternative form of feather edge.
 • feather␣edge n. An edge of a board, plank, etc. that has been made very thin.
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| FEEDTHROUGH | • feedthrough n. A conductor that connects circuits or components on either side of a printed circuit board. • feed-through n. (Electronics, engineering) A hermetically sealed connection between two volumes.
 • FEEDTHROUGH n. a device for connecting two parts of an electronic circuit.
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| FIGUREHEADS | • figureheads n. Plural of figurehead. • figure-heads n. Plural of figure-head.
 • FIGUREHEAD n. the figure, statue, or bust, on the prow of a ship.
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| FINGERHOLDS | • fingerholds n. Plural of fingerhold. • FINGERHOLD n. a hold or place of support for the fingers.
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| FLAUGHTERED | • FLAUGHTER v. (Scots) to cut turfs. | 
| FOREHANDING | • forehanding v. Present participle of forehand. • FOREHAND v. to play a shot forehand.
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| FORESIGHTED | • foresighted adj. Having foresight; foreseeing; provident. • FORESIGHTED adj. having foresight.
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| FOREWEIGHED | • foreweighed v. Simple past tense and past participle of foreweigh. • FOREWEIGH v. (archaic) to estimate beforehand.
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| FORGATHERED | • forgathered v. Simple past tense and past participle of forgather. • FORGATHER v. to gather together, assemble, also FOREGATHER.
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| FROGMARCHED | • frogmarched v. Simple past tense and past participle of frogmarch. • frog-marched v. Simple past tense and past participle of frog-march.
 • frog␣marched v. Simple past tense and past participle of frog march.
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| GODFATHERED | • godfathered v. Simple past tense and past participle of godfather. • GODFATHER v. to be a godfather to.
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| GRANDFATHER | • grandfather n. A father of someone’s parent. • grandfather n. (By extension) A male forefather.
 • grandfather n. (Computing) The archived older version of a file that immediately preceded the father file.
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| PREFLIGHTED | • preflighted v. Simple past tense and past participle of preflight. • PREFLIGHT v. to inspect an aircraft before flight.
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| UNFRAUGHTED | • UNFRAUGHT v. to unload. |