| AIRFIELDS | • airfields n. Plural of airfield. • AIRFIELD n. an area where planes take off and land. |
| BIRDLIFES | • BIRDLIFE n. birds collectively. |
| DEERFLIES | • deerflies n. Plural of deerfly. • deer␣flies n. Plural of deer fly. • DEERFLY n. a bloodsucking fly. |
| DORSIFLEX | • dorsiflex v. To flex a limb in a dorsal direction. • DORSIFLEX v. to bend towards the back or dorsal. |
| DRIFTLESS | • driftless adj. Having no drift or direction; without aim; purposeless. • DRIFTLESS adj. without drift. |
| DROPFLIES | • DROPFLY n. an angling fly. |
| FAIRLEADS | • fairleads n. Plural of fairlead. • FAIRLEAD n. a ring through which a rope is led to change its direction without friction, also FAIRLEADER. |
| FERALISED | • feralised v. Simple past tense and past participle of feralise. • FERALISED adj. run wild following domestication, also FERALIZED. |
| FILANDERS | • filanders n. (Falconry) A disease in hawks, characterized by the presence of small thread-like worms and of filaments… • FILANDER n. a threadlike intestinal worm in hawks. |
| FILECARDS | • filecards n. Plural of filecard. • file-cards n. Plural of file-card. • file␣cards n. Plural of file card. |
| FLORIDEST | • floridest adj. Superlative form of florid: most florid. • FLORID adj. flowery; having a ruddy or highly coloured complexion. |
| FLUIDISER | • fluidiser n. Alternative form of fluidizer. • FLUIDISER n. an apparatus in which fluidisation is carried out, also FLUIDIZER. |
| FLUORIDES | • fluorides n. Plural of fluoride. • FLUORIDE n. a compound of fluorine, also FLUORID. |
| FRICADELS | • fricadels n. Plural of fricadel. • FRICADEL n. (South African) a fried ball of mincemeat, also FRIKKADEL. |
| INFOLDERS | • infolders n. Plural of infolder. • INFOLDER n. one that infolds. |
| MIDLIFERS | • midlifers n. Plural of midlifer. • mid-lifers n. Plural of mid-lifer. • MIDLIFER n. a middle-aged person. |
| URNFIELDS | • urnfields n. Plural of urnfield. • URNFIELD n. a late Bronze Age cemetery containing funerary urns. |
| WILDFIRES | • wildfires n. Plural of wildfire. • WILDFIRE n. raging destructive fire. |