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- southwester17
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- specter13
- spectrofluorimeter32
- spectrofluorometer32
- spectrometer21
- spectrophotometer31
- speechwriter23
- speeder11
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- speedometer18
- speedster13
- speer8
- spellbinder21
- speller12
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- spencer14
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- sphygmomanometer35
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- spoiler11
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- spoofer13
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- sporter10
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- sprayer12
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- stater6
- stationer10
- stationmaster17
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- stayer8
- steadier9