sota - stal
- spectroheliographic
- spectroheliokinematograph
- spectrohelioscope
- spectrohelioscopic
- spectrology
- spectrometer
- spectrometric
- spectrometry
- spectromicroscope
- spectromicroscopical
- spectrophotoelectric
- spectrophotometer
- spectrophotometric
- spectrophotometrical
- spectrophotometrically
- spectrophotometry
- spectropolarimeter
- spectropolariscope
- spectropyrheliometer
- spectropyrometer