| DESULFURS | • desulfurs v. Third-person singular simple present indicative form of desulfur. • DESULFUR v. to free from sulphur. |
| FRENULUMS | • frenulums n. Plural of frenulum. • FRENULUM n. (Latin) a connecting fold of membrane, also FRENUM, FRAENUM. |
| FRUSTULES | • frustules n. Plural of frustule. • FRUSTULE n. the siliceous two-valved shell of a diatom. |
| FURUNCLES | • furuncles n. Plural of furuncle. • FURUNCLE n. a painful swelling of the skin. |
| PURSEFULS | • pursefuls n. Plural of purseful. • PURSEFUL n. enough to fill a purse. |
| RESULTFUL | • resultful adj. Having results or effects. • RESULTFUL adj. having results or effects. |
| SAUCERFUL | • saucerful n. As much as a saucer will hold. • saucerful n. The contents of a saucer. • SAUCERFUL n. the contents of a saucer. |
| SOURCEFUL | • SOURCEFUL adj. offering useful things. |
| SULFURATE | • sulfurate v. (Chemistry) to treat or to combine something with sulfur. • sulfurate v. (Wine) to treat with sulfur compound (usually a sulfite). • sulfurate v. (Rare, agriculture) to spray/dust with sulfur. |
| SULFURETS | • sulfurets n. Plural of sulfuret. • SULFURET v. to treat with sulfur, also SULPHURET. |
| SULFURIER | • SULFURY adj. resembling, or partaking of the nature of, sulphur, also SULPHURY. |
| SULFURISE | • sulfurise v. Alternative spelling of sulfurize. • SULFURISE v. to combine or impregnate with sulphur or any of its compounds, also SULFURIZE, SULPHURISE, SULPHURIZE. |
| SULFURIZE | • sulfurize v. To treat or react with sulfur or sulfur dioxide. • SULFURIZE v. to combine or impregnate with sulphur or any of its compounds, also SULFURISE, SULPHURISE, SULPHURIZE. |
| SUPERFLUX | • superflux n. An overabundance; a great amount. • SUPERFLUX n. (Shakespeare) superfluity. |
| UDDERFULS | • udderfuls n. Plural of udderful. • UDDERFUL n. the contents of a full udder. |
| UNRESTFUL | • unrestful adj. Not restful. • UNRESTFUL adj. not restful. |
| UNRUFFLES | • unruffles v. Third-person singular simple present indicative form of unruffle. • UNRUFFLE v. to recover from ruffling. |