| Synonym stockpiler | 18 |
| Synonym wordsmith | 17 |
| Synonym-loving physician | 24 |
| Synonymous | 10 |
| Synonymous game | 15 |
| Synonymous rhyme for cache | 26 |
| Synonymous with, with "for" | 37 |
| Synonyms man | 12 |
| Synopses | 8 |
| Synopsis | 8 |
| Synopsis site | 13 |
| Synopsis starter and ender | 26 |
| Synopsis starter and ender? | 27 |
| Synopsis, redundantly | 21 |
| Synopsize | 9 |
| Syntactical analyser | 20 |
| Syntactical incoherence | 23 |
| Syntax auditors: Abbr. | 22 |
| Syntax problem | 14 |
| Syntax topic | 12 |
| Synth pioneer Robert | 20 |
| Synth-heavy music | 17 |
| Synth-pop kin | 13 |
| Synthesis | 9 |
| Synthesized genre | 17 |
| Synthesizer | 11 |
| Synthesizer ancestors | 21 |
| Synthesizer biggie | 18 |
| Synthesizer brand | 17 |
| Synthesizer creator | 19 |
| Synthesizer designer Robert | 27 |
| Synthesizer innovator Bob | 25 |
| Synthesizer inventor | 20 |
| Synthesizer inventor Robert | 27 |
| Synthesizer man | 15 |
| Synthesizer man Bob | 19 |
| Synthesizer name | 16 |
| Synthesizer output | 18 |
| Synthesizer pioneer | 19 |
| Synthesizer pioneer Robert | 26 |
| Synthesizer relative | 20 |
| Synthesizer surname | 19 |
| Synthesizer type | 16 |
| Synthesizer virtuoso Brian | 26 |
| Synthesizers | 12 |
| Synthetic | 9 |
| Synthetic acrylic fiber | 23 |
| Synthetic adhesive | 18 |
| Synthetic akin to rayon | 23 |
| Synthetic antibiotic | 20 |
| Synthetic cubist | 16 |
| Synthetic drug | 14 |
| Synthetic estrogen, for short | 29 |
| Synthetic fabric | 16 |
| Synthetic fabric brand | 22 |
| Synthetic fabrics | 17 |
| Synthetic fabrics, for short | 28 |
| Synthetic fat brand | 19 |
| Synthetic fiber | 15 |
| Synthetic fiber brand | 21 |
| Synthetic fiber used in bicycle tires and bulletproof vests | 59 |
| Synthetic fiber used in bulletproof vests | 41 |
| Synthetic fibers | 16 |
| Synthetic fibre | 15 |
| Synthetic filament | 18 |
| Synthetic from amides | 21 |
| Synthetic fuel sources | 22 |
| Synthetic gem | 13 |
| Synthetic invented in the 1930s | 31 |
| Synthetic jacket fabrics | 24 |
| Synthetic leather | 17 |
| Synthetic mat. | 14 |
| Synthetic material | 18 |
| Synthetic material invented in the 1930s | 40 |
| Synthetic materials | 19 |
| Synthetic polyamide used in fiber-making | 40 |
| Synthetic pump | 14 |
| Synthetic purplish colorant | 27 |
| Synthetic resin | 15 |
| Synthetic resin used in paint | 29 |
| Synthetic rubber | 16 |
| Synthetic rubber bases | 22 |
| Synthetic rubber component | 26 |
| Synthetic rubber compounds | 26 |
| Synthetic rubber ingredient | 27 |
| Synthetic rubber used for wet suits | 35 |
| Synthetic rubber used in footballs | 34 |
| Synthetic rubber used in inner tubes | 36 |
| Synthetic rubber, for one | 25 |
| Synthetic silk | 14 |
| Synthetic sock fiber | 20 |
| Synthetic sock textile | 22 |
| Synthetic spread | 16 |
| Synthetic textile | 17 |
| Synthetic textile fiber | 23 |
| Synthetic wear | 14 |
| Synthetic wrap | 14 |
| Synthetic-rubber ingredient | 27 |
| Synthetist's picture of a French author? | 44 |
| Synthpop group ___ Noise | 25 |