poynant /poiˈnənt/ (Spenser, etc)

• spectrograph
• spectrographic
• spectrographical
• spectrographies
• spectrographs
• spectrography
• spectroheliogram
• spectroheliograph
• spectroheliographs
• spectrohelioscope
• spectrohelioscopes
• spectrological
• spectrologically
• spectrologies
• spectrology
• spectrometer
• spectrometers
• spectrometric
• spectrometries
• spectrometry
• spectrophotometer
• spectrophotometers
• spectrophotometry
• spectroscope
• spectroscopes