spectrogram/ʹspektrəgram/ noun

• suppository
• suppress
• suppressant
• suppressor
• suppurate
• supra
• supra-
• supranational
• supraorbital
• suprarenal
• supremacist
• supremacy
• suprematism
• supreme
• Supreme Being
• Supreme Court
• Supreme Court of Judicature
• Supreme Soviet
• supremo
• Supt
• sur-
• sura
• surah
• sural
• surcease