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