12345678910111213141516Keywordcharacter used in translationFrequency#5359Strokes16ReadingssāiMnemonic口 (mouth) gives the meaning and 塞 the sound.Stroke orderComposed of口mouth塞to stop upUsed in vocabulary噻嗪sāiqínthiazine (chemistry) (loanword)噻唑sāizuòthiazole (chemistry)噻吩sāifēnthiophene (chemistry) (loanword)