亜砒酸[ahisan] arsenious acid
砒素[hiso] arsenic (As)
砒酸[hisan] arsenic acid
ガリウム砒素半導体[gariumuhisohandoutai] gallium arsenide semiconductor
亜砒酸塩[ahisanen] arsenite

砒化水素[hikasuiso] arsine
砒素剤[hisozai] arsenicals (drugs containing arsenic)
ガリウム砒素[gariumuhiso] gallium arsenide (GaAs)
砒化ガリウム[hikagariumu] gallium arsenide (GaAs)
酸化砒素[sankahiso] arsenic trioxide

亜硫酸[aryuusan] sulfurous acid
亜硫酸塩[aryuusanen] sulfite
加硫[karyuu] vulcanizing (rubber)
加硫法[karyuuhou] vulcanization
稀硫酸[kiryuusan] dilute sulfuric acid

二酸化硫黄[nisankaiou] sulfur dioxide
硫黄[iou] sulfur (S)
硫黄酸化物[iousankabutsu] sulphur oxide
硫化処理ゴム[ryuukashorigomu] vulcanized rubber
硫化水素[ryuukasuiso] hydrogen sulphide