| ABOMASUM | The fourth and final stomach compartment in ruminants |
| METALGURU | The fourth and final No 1 single of T. Rex |
| DESIGNER | Cancer, perhaps, in ruminant - one creating something new? |
| DIEANOTHERDAY | 2002 film that was the fourth and final one to star Pierce Brosnan as James Bond (3,7,3) |
| LITTLEGIDDING | The fourth and final poem of Four Quartets by TS Eliot (6,7) |
| RUMEN | Largest stomach compartment of a cow where fibre, starch, sugar, and proteins are fermented by the microbes |
| TRIOLET | Eight-line poem in which the first line repeats as the fourth and seventh and the second line repeats as the eighth (7) |
| OMEGA | Twenty-fourth and final letter of the Greek alphabet, used as the symbol for the SI unit of electrical resistance, the ohm (5) |
| WILLIAMGLADSTONE | British prime minister whose fourth and final term in office ended in 1894 (7,9) |
| SANDYKOUFAX | Left-handed pitcher who won his fourth and final World Series with the Dodgers in 1965: 2 wds. |
| AMELIABOOTH | Central character in Henry Fielding's fourth and final novel, published in 1751 |
| CREATURESTHEWORLDFORGOT | The fourth and last of Hammer's 'Cave Girl' sequence of films, preceded by One Million Years BC, Slave Girls and When Dinosaurs Ruled the Earth |
| TOMBAKER | He portrayed the fourth and longest incarnation of The Doctor in Doctor Who (3,5) |
| HENRYI | The fourth and youngest son of William the Conqueror (5,1) |
| ANGLO | Horse that gave trainer Fred Winter his fourth and final Grand National victory in 1966 |
| KILLINGEVE | TV thriller with its fourth and final season premiering Feb. 27 (2) |
| SUCCESSION | Award-winning HBO show whose fourth and final season ended on Sunday |
| ALIT | Past-tense verb that is the same as its present-tense form minus the fourth and fifth letters |
| OER | Preposition that starts the fourth and eighth lines of "The Star-Spangled Banner" |
| HUN | Member of an Asiatic nomadic people who invaded the Roman Empire in the 4th and 5th century AD (3) |