| FLUBS | • flubs n. Plural of flub. • flubs v. Third-person singular simple present indicative form of flub. • FLUB v. to bungle, botch. |
| FLUES | • flues n. Plural of flue. • flues n. (Obsolete) Bits of down. • FLUE n. a smoke-duct in a chimney. |
| FLUSH | • flush n. A group of birds that have suddenly started up from undergrowth, trees, etc. • flush v. (Transitive) To cause to take flight from concealment. • flush v. (Intransitive) To take suddenly to flight, especially from cover. |
| FOULS | • fouls n. Plural of foul. • fouls v. Third-person singular simple present indicative form of foul. • FOUL v. to make dirty. |
| FUELS | • fuels n. Plural of fuel. • fuels v. Third-person singular simple present indicative form of fuel. • FUEL v. to provide with an energy-producing material. |
| FULLS | • fulls v. Third-person singular simple present indicative form of full. • Fulls prop.n. Plural of Full. • FULL v. to shrink and thicken, as cloth. |
| FURLS | • furls v. Third-person singular simple present indicative form of furl. • FURL v. to roll up. |
| FUSEL | • FUSEL n. a nauseous mixture of alcohols in spirits distilled from potatoes, grain etc. |
| FUSIL | • fusil n. (Heraldry) A bearing of a rhomboidal figure, originally representing a spindle in shape, longer than… • fusil n. (Now historical) A light flintlock musket or firelock. • fusil adj. Obsolete spelling of fusile. |
| GULFS | • gulfs n. Plural of gulf. • gulfs v. Third-person singular simple present indicative form of gulf. • GULF v. to swallow up. |
| LAUFS | • LAUF n. (German) a run in a bobsleigh contest. |
| LUFFS | • luffs n. Plural of luff. • luffs v. Third-person singular simple present indicative form of luff. • Luffs prop.n. Plural of Luff. |
| SLUFF | • sluff n. Alternative spelling of slough (skin shed by a snake or other reptile). • sluff n. Alternative spelling of slough (dead skin on a sore or ulcer). • sluff n. An avalanche, mudslide, or a like slumping of material or debris. |
| SULFA | • sulfa adj. Of or containing sulfonamide or sulfanilamide. • sulfa n. A sulfonamide or sulfanilamide. • sulfa- pref. (Pharmacology) Used to form names of sulfonamides used as antiinfectives. |
| SULFO | • sulfo- pref. (Chemistry) sulfur. • sulfo- pref. (Organic chemistry) sulfonic acid. • SULFO adj. containing a certain univalent radical, also SULFONIC. |