spav = - stea =
- spectroheliokinematograph
- spectrohelioscope
- spectrolite
- spectromagnetograph
- spectrometer
- spectrometric
- spectrometrist
- spectrometry
- spectromicroscopy
- spectrophotography
- spectrophotometer
- spectrophotometric
- spectrophotometrically
- spectrophotometry
- spectropolarimeter
- spectropolarimetric
- spectropolarimetry
- spectroradiometer
- spectroscope
- spectroscopic