mantel or mantle/ʹmantl/ noun

• specific performance
• specify
• specimen
• specious
• speck
• speckle
• specs
• spectacle
• spectacled
• spectacles
• spectacular
• spectate
• spectator
• specter
• spectra
• spectral
• spectre
• spectro-
• spectrogram
• spectrograph
• spectroheliograph
• spectrohelioscope
• spectrometer
• spectrophotometer
• spectroscope