ト音記号[toonkigou] G clef
ドル記号[dorukigou] dollar sign ($)
ハ音記号[haonkigou] C clef
ブレーク信号[bureekushingou] break signal
ブロック番号[burokkubangou] block number

ヘ音記号[heonkigou] F clef
哀号[aigou] moan
暗号[angou] code
暗号化[angouka] encryption
暗号化手法[angoukashuhou] cryptography

この外[konohoka] besides
その外[sonota] etc.
ピントが外れる[pintogahazureru] to be out of focus
案外[angai] unexpectedly
もっての外[mottenohoka] absurd

以外[igai] with the exception of
意外[igai] unexpected
意想外[isougai] unexpected
域外[ikigai] outside the area
員外[ingai] non-membership

アラビア数字[arabiasuuji] Arabic numeral
キリル文字[kirirumoji] Cyrillic character
ギリシア文字[girishiamoji] Greek character
羅馬字[roomaji] Latin alphabet
ロシア文字[roshiamoji] Russian character

異体字[itaiji] kanji variants
一字[ichiji] letter
一字千金[ichijisenkin] word of great value
一丁字[itteiji] single letter or character
一文字[ichimonji] straight line

助番[sukeban] leader of a female gang
ブロック番号[burokkubangou] block number
暗唱番号[anshoubangou] personal identification number
一貫番号[ikkanbangou] serial number
一番[ichiban] best

一番[hitotsugai] pair
一番鶏[ichibandori] first cockcrowing
一番手[ichibante] first player
一番乗り[ichibannori] leader of a charge
一番線[ichibansen] track no. 1