| DECLASSIFIES | • declassifies v. Third-person singular simple present indicative form of declassify. • DECLASSIFY v. to remove or reduce the security classification of. |
| FACSIMILISTS | • facsimilists n. Plural of facsimilist. • FACSIMILIST n. one who makes facsimiles. |
| FASCIOLIASES | • fascioliases n. Plural of fascioliasis. • FASCIOLIASIS n. nematode infestation. |
| FASCIOLIASIS | • fascioliasis n. (Pathology) infestation with liver flukes (of genus Fasciola). • FASCIOLIASIS n. nematode infestation. |
| FILIALNESSES | • FILIALNESS n. the state of being filial. |
| FILTHINESSES | • filthinesses n. Plural of filthiness. • FILTHINESS n. the quality of being filthy. |
| FISSIONABLES | • fissionables n. Plural of fissionable. • FISSIONABLE n. a fissionable material. |
| FISSIROSTRAL | • fissirostral adj. Having the bill cleft beyond the horny part, as in the case of swallows and goatsuckers. • FISSIROSTRAL adj. having a divided beak. |
| FLIMSINESSES | • flimsinesses n. Plural of flimsiness. • FLIMSINESS n. the state of being flimsy. |
| FLINTINESSES | • FLINTINESS n. the state of being flinty. |
| FOSSILISABLE | • fossilisable adj. Alternative form of fossilizable. • FOSSILISABLE adj. that can be fossilised, also FOSSILIZABLE. |
| FRILLINESSES | • FRILLINESS n. the state of being frilly. |
| ICHNOFOSSILS | • ichnofossils n. Plural of ichnofossil. • ICHNOFOSSIL n. a fossil footprint. |
| MICROFOSSILS | • microfossils n. Plural of microfossil. • MICROFOSSIL n. a very small fossil. |
| RECLASSIFIES | • reclassifies v. Third-person singular simple present indicative form of reclassify. • RECLASSIFY v. to classify again. |
| SILVERFISHES | • silverfishes n. Plural of silverfish. • SILVERFISH n. any of various silver-coloured fishes, esp. the tarpon. |
| UNFOSSILISED | • unfossilised adj. Alternative spelling of unfossilized. • UNFOSSILISED adj. not fossilised, also UNFOSSILIZED. |
| WIFELINESSES | • WIFELINESS n. the state of being wifely. |