Words ending with letters "ctrum"

• absorption spectrum
• acoustic spectrum
• action spectrum
• aplectrum
• atomic spectrum
• broad-spectrum
• color spectrum
• electromagnetic spectrum
• electrum
• emission spectrum
• genus aplectrum
• genus thalictrum
• infrared spectrum
• line spectrum
• mass spectrum
• microwave spectrum
• plectrum
• radio spectrum
• radio-frequency spectrum
• sound spectrum
• spectrum
• speech spectrum
• thalictrum
• ultraviolet spectrum
• visible spectrum