| CHAINFALLS | • chainfalls n. Plural of chainfall. • CHAINFALL n. a type of hoist. |
| FALLENNESS | • fallenness n. The quality of being fallen or degraded. |
| FALLOWNESS | • fallowness n. The state or quality of being fallow. • FALLOWNESS n. the state of being fallow. |
| FAULTLINES | • faultlines n. Plural of faultline. • fault-lines n. Plural of fault-line. • fault␣lines n. Plural of fault line. |
| FELLATIONS | • fellations n. Plural of fellation. • FELLATION n. oral stimulation of the penis, also FELLATIO. |
| FENESTELLA | • fenestella n. A niche on the south side of an altar, containing the piscina and sometimes the credence. • Fenestella prop.n. A taxonomic genus within the family Fenestellidae – extinct bryozoans forming fan-shaped colonies with… • Fenestella prop.n. A taxonomic genus within the family Fenestellaceae – certain fungi. |
| FERNALLIES | • FERNALLY n. a vascular flowerless plant, a pteridophyte, other than a fern. |
| FILIALNESS | • filialness n. Quality of being filial. • FILIALNESS n. the state of being filial. |
| FLAGELLINS | • flagellins n. Plural of flagellin. • FLAGELLIN n. a polymeric protein that is the chief constituent of bacterial flagella. |
| FLANGELESS | • flangeless adj. Without a flange. • FLANGELESS adj. without a flange. |
| FLANNELETS | • flannelets n. Plural of flannelet. • FLANNELET n. a cotton imitation of flannel, also FLANNELETTE. |
| FLATLINERS | • flatliners n. Plural of flatliner. • FLATLINER n. one who flatlines. |
| FUSTANELLA | • fustanella n. A form of skirt or kilt traditionally worn by men in Greece and other parts of the Balkans. • FUSTANELLA n. (Italian) a white kilt worn by Greek and Albanian men, also FUSTANELLE. |
| FUSTANELLE | • fustanelle n. Alternative form of fustanella. • FUSTANELLE n. a white kilt worn by Greek and Albanian men, also FUSTANELLA. |
| LAWFULNESS | • lawfulness n. Property of being lawful, of obeying the law. • lawfulness n. Property of operating in a manner organized by certain laws. • LAWFULNESS n. the state of being lawful. |
| MANFULLEST | • manfullest adj. Superlative form of manful: most manful. • MANFUL adj. courageous. |
| MATFELLONS | • MATFELLON n. the greater knapweed, also MATFELON. |
| MISFALLING | • misfalling v. Present participle of misfall. • MISFALL v. unluckily to befall. |
| NIGHTFALLS | • nightfalls n. Plural of nightfall. • NIGHTFALL n. the onset or beginning of the night. |
| SILDENAFIL | • sildenafil n. (Pharmacology) A drug that is used in the form of its citrate C22H30N6O4S·C6H8O7 to treat erectile dysfunction… • SILDENAFIL n. a drug used to enhance erectile function. |