| LIEDETECTOR | A polygraph is the most common form of this device (3,8) |
| ASBESTOS | Chrysotile is the most common form of this incombustible material |
| LIEDETECTORPROTEST | "The polygraph is rigged!," e.g.? |
| OLIVE | Olea europaea is the common form of this oil-producing tree (5) |
| OSIER | Salix viminalis is the common form of this willow (5) |
| MANDARIN | Citrus fruit or the most common form of the Chinese language |
| ALTOIST | One who plays the most common form of saxophone (7) |
| RACKETABUSE | Per the New York Times, this is the most common penalty at tennis' Grand Slams, well ahead of infractions like "audible obscenity," "visible obscenity," and "late for match" |
| LULADASILVA | Brazil's president, whose surname is the most common in the country |
| REDDWARF | Smallest, coolest and most common form of star in the universe (3,5) |
| ARABICA | One of the two most common forms of coffee plant (7) |
| DICE | Small objects (polyhedrons) used as implements for gambling and the playing of social games. The most common form is the cube, with each side marked with from one to six small dots (spots). (4) |
| PICAPICA | A type of stew which is a popular tapas dish, the most common form in Mallorca has cuttlefish as its main ingredient (4,4) |
| REEL | Most common form of Scottish Country Dance, usually performed to 4/4 tempo music (4) |
| OSA | Most common form of sleep apnea, initially |
| CHRONOGRAPH | Op can go wrong with hour shortened (twice) by this device? |
| ECG | The Nobel prize for Medicine in 1924 was won by the inventor of this device for measuring and recording the heart's activity (1,1,1) |
| HEATPUMP | Keir Starmer's ten-point plan has a 2028 target of 0.6m annual installations of this device using the refrigeration cycle (4,4) |
| ALARM | A bobbin increases the effectiveness of this device (5) |
| GLUCOSE | White crystalline monosaccharide sugar whose most common form is dextrose (7) |
