| synthetic drug | 5.86 | Synthetic drugs include amphetamines, ecstasy and LSD. | ||
| synthetic fiber | 4.48 | Synthetic fibers in plaids. | ||
| synthetic material | 3.55 | The jacket is made of synthetic materials. | ||
| synthetic form | 3.23 | A synthetic form of the hormone is used now. | ||
| synthetic version | 3.03 | Caverject is a synthetic version of alprostadil. | ||
| synthetic chemical | 2.37 | The big change came with modern synthetic chemicals. | ||
| synthetic fabric | 2.17 | High-tech synthetic fabrics. | ||
| synthetic hormone | 2.17 | Steroids, stimulants, synthetic hormones, blood doping. | ||
| synthetic rubber | 2.04 | We had synthetic rubber, we just had no reason to use it. | ||
| synthetic fibre | 1.58 | A synthetic fibre with a foam or waffle backing is best. | ||
| synthetic resin | 1.12 | It also owns units which produce rubber and synthetic resins. | ||
| synthetic compound | 0.66 | Opioids are natural and synthetic compounds related to morphine. | ||
| synthetic diamond | 0.66 | SI Diamond is developing displays based on synthetic diamond film. | ||
| synthetic morphine | 0.66 | OxyContin pills contain a synthetic morphine designed to be time-released. | ||
| synthetic cork | 0.59 | Synthetic corks are not new. | ||
| synthetic estrogen | 0.59 | Biochemists call these pollutants synthetic estrogens. | ||
| synthetic fuel | 0.59 | The synthetic fuel is similar to diesel and can be burned in diesel engines. | ||
| synthetic oil | 0.59 | Many synthetic oils are silicon-based polymers. | ||
| synthetic substitute | 0.59 | Synthetic substitutes are out. | ||
| synthetic turf | 0.59 | Since then, the tournament has been played on synthetic turf. |