| ES | What is the variant of "s" for nouns ending in "f" that use "v" in the plural? (2) |
| ISOTOPE | One of the variants of an element sharing an atomic number but with differing chemical properties (7) |
| EPICENE | A term used in grammar for nouns that may denote either gender (7) |
| AARE | River in Switzerland with the variant spelling |
| ALGONQUINWORD | The variant spelling for #12-Down's answer is an ___ ___ meaning 'narrowing of the river' |
| PLURAL | Like many nouns ending in "s" |
| FEM | Like most Spanish nouns ending in "a": abbr. |
| MASC | Like most Italian nouns ending in -o: Abbr. |
| POINTOFHONOUR | Obligation to get satisfaction from hoop for noun it replaces (5,2,6) |
| PRO | Prefix for noun or claim |
| VICTOR | Name the word for the letter 'V' in the standard phonetic alphabet (6) |
| KINGTIDES | In the plural, what is one of the names for the large rise tide at, or soon after, the new moon? (4,5) |
| AGE | Obsolete term for the player immediately to the left of the dealer in games that use an automatic be |
| EUROZONE | One of the collective names for the countries that use the money symbolised by the euro sign as thei |
| CRAZYFROG | CGI-animated character featured in a popular ringtone and a remix of Axel F that topped the singles charts in several countries (5,4) |
| VAMPIRE | Blood-sucking monster in box F that shuns the light of day (7) |
| NEUMES | In the plural, what are the symbols used in medieval music notation and still used in notation of Gr |
| CLEPSYDRAE | In the plural, what are the devices for measuring time by the regulated flow of water or mercury? (1 |
| NEBULAE | In astronomy and in the plural, what are dark patches in the sky consisting of interstellar gases an |
| NAUTILI | In the plural, what are any of the tetrabranchiate cephalopods that have a spiral chambered shell wi |
