| AQUAFITNESSES | • AQUAFITNESS n. fitness obtained through water-based exercise. |
| ASSUEFACTIONS | • ASSUEFACTION n. (obsolete) habituation. |
| DEFIANTNESSES | • DEFIANTNESS n. the state of being defiant. |
| DISINFESTANTS | • disinfestants n. Plural of disinfestant. • DISINFESTANT n. an agent that disinfests, rids of vermin. |
| FACETIOUSNESS | • facetiousness n. (Uncountable) The state of being facetious. • facetiousness n. (Countable) The product or result of being facetious. • FACETIOUS n. playfully jocular; humorous. |
| FAITHLESSNESS | • faithlessness n. The quality of being faithless. • FAITHLESS n. without faith. |
| FISSIPARITIES | • fissiparities n. Plural of fissiparity. • FISSIPARITY n. the state of being fissiparous. |
| FLAUNTINESSES | • FLAUNTINESS n. the state of being flaunty. |
| FORESTAYSAILS | • forestaysails n. Plural of forestaysail. • FORESTAYSAIL n. the sail attached to a forestay. |
| FRACTIOUSNESS | • fractiousness n. The quality of being fractious; trouble-making; unruliness. • fractiousness n. A peevish or cranky nature. • FRACTIOUS n. troublesome, irritable. |
| FRANTICNESSES | • FRANTICNESS n. the state of being frantic. |
| LIGHTFASTNESS | • lightfastness n. The quality or degree of being lightfast. • LIGHTFAST n. of a fabric, that doesn't fade on exposure to light. |
| MUTESSARIFATS | • mutessarifats n. Plural of mutessarifat. • MUTESSARIFAT n. the office of a mutessarif, the head of a Turkish sanjak, a district or a subdivision of a vilayet. |
| PROFESSORIATS | • professoriats n. Plural of professoriat. • PROFESSORIAT n. the body of college and university teachers at an institution or in society, also PROFESSORIATE. |
| SEMIFINALISTS | • semifinalists n. Plural of semifinalist. • semi-finalists n. Plural of semi-finalist. • SEMIFINALIST n. one taking part in a semifinal. |
| SHAPESHIFTERS | • shapeshifters n. Plural of shapeshifter. • shape-shifters n. Plural of shape-shifter. • SHAPESHIFTER n. (in folklore) a creature that has the ability to change its physical form at will. |
| SUPERSAFETIES | • SUPERSAFETY n. the state of being supersafe. |