| ANTIQUENESSES | • ANTIQUENESS n. the state of being antique. |
| AQUAFITNESSES | • AQUAFITNESS n. fitness obtained through water-based exercise. |
| DISQUISITIONS | • disquisitions n. Plural of disquisition. • DISQUISITION n. a carefully argued examination of a topic. |
| EXQUISITENESS | • exquisiteness n. The degree or property of being exquisite. • EXQUISITENESS n. the state of being exquisite. |
| GROTESQUENESS | • grotesqueness n. The characteristic or quality of being grotesque. • GROTESQUENESS n. the state of being grotesque. |
| PIQUANTNESSES | • PIQUANTNESS n. the state of being piquant. |
| QUAESTORSHIPS | • quaestorships n. Plural of quaestorship. • QUAESTORSHIP n. the office of quaestor, also QUESTORSHIP. |
| QUASICRYSTALS | • quasicrystals n. Plural of quasicrystal. • quasi-crystals n. Plural of quasi-crystal. • QUASICRYSTAL n. a body of solid material that resembles a crystal in being composed of repeating structural units but that incorporates two or more unit cells into a quasiperiodic structure. |
| QUINTESSENCES | • quintessences n. Plural of quintessence. • QUINTESSENCE n. the pure, concentrated essence; the most perfect embodiment of something. |
| REQUISITENESS | • requisiteness n. The state or quality of being requisite. • REQUISITENESS n. the state of being requisite. |
| SEQUESTRATORS | • sequestrators n. Plural of sequestrator. • SEQUESTRATOR n. one who sequestrates. |
| SESQUIALTERAS | • sesquialteras n. Plural of sesquialtera. • SESQUIALTERA n. a perfect fifth; three notes against two; an organ stop giving the root, the twelfth and the tierce. |
| SESQUITERTIAS | • sesquitertias n. Plural of sesquitertia. • SESQUITERTIA n. a perfect fourth; a rhythm of three notes against four. |
| SOMNILOQUISTS | • somniloquists n. Plural of somniloquist. • SOMNILOQUIST n. one who talks in his sleep. |
| SQUATTINESSES | • SQUATTINESS n. the state of being squatty. |
| UNQUIETNESSES | • unquietnesses n. Plural of unquietness. • UNQUIETNESS n. the state of being unquiet. |