| ASTROFELLS | • ASTROFELL n. (Spenser) an unidentified bitter starlike plant, possibly aster, also ASTROPHEL. |
| COWLSTAFFS | • cowlstaffs n. Plural of cowlstaff. • cowl-staffs n. Plural of cowl-staff. • COWLSTAFF n. a staff or pole on which a vessel is supported between two persons. |
| FALDSTOOLS | • faldstools n. Plural of faldstool. • FALDSTOOL n. a prayer desk from which the Litany is read at church service; a bishop's round armless chair. |
| FATHOMLESS | • fathomless adj. Very deep (especially of water deeper than a lead line can measure); bottomless. • fathomless adj. (By extension) unfathomable or incomprehensible. • FATHOMLESS adj. incapable of being fathomed. |
| FLAGSTONES | • flagstones n. Plural of flagstone. • FLAGSTONE n. a large paving stone. |
| FLAVORISTS | • flavorists n. Plural of flavorist. • FLAVORIST n. a person who creates flavourings for drinks, perfumes, etc., also FLAVOURIST. |
| FLOATBASES | • FLOATBASE n. a place on a river, lake, etc. where float planes dock. |
| FOOTSTALKS | • footstalks n. Plural of footstalk. • FOOTSTALK n. the stalk of a leaf or a flower. |
| FOOTSTALLS | • footstalls n. Plural of footstall. • FOOTSTALL n. a pedestal or plinth. |
| FORESTALLS | • forestalls v. Third-person singular simple present indicative form of forestall. • FORESTALL v. to prevent. |
| FORMALISTS | • formalists n. Plural of formalist. • FORMALIST n. a person having exaggerated regard to rules or established usages. |
| LOANSHIFTS | • loanshifts n. Plural of loanshift. • LOANSHIFT n. the adaptation of a word from one language to another. |
| OUTFLASHES | • outflashes v. Third-person singular simple present indicative form of outflash. • OUTFLASH v. to flash more brightly. |
| PLOWSTAFFS | • plowstaffs n. Plural of plowstaff. • PLOWSTAFF n. one of the handles of a plow, also PLOUGHSTAFF. |
| SHORTFALLS | • shortfalls n. Plural of shortfall. • short-falls n. Plural of short-fall. • SHORTFALL n. the fact or amount of falling short. |
| SOLFATARAS | • solfataras n. Plural of solfatara. • SOLFATARA n. (Italian) a volcanic vent emitting only gases. |
| SOOTFLAKES | • sootflakes n. Plural of sootflake. • SOOTFLAKE n. a smut of soot. |
| SULFATIONS | • sulfations n. Plural of sulfation. • SULFATION n. the act of forming a sulfate, also SULPHATION. |
| SULFONATES | • sulfonates n. Plural of sulfonate. • sulfonates v. Third-person singular simple present indicative form of sulfonate. • SULFONATE n. a salt of sulphonic acid. |