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

飲み放題[nomihoudai] all you can drink
演習問題[enshuumondai] practice problem
演題[endai] subject of an address
応用問題[ouyoumondai] application problem
歌題[kadai] name of poem

課題[kadai] subject
画題[gadai] motif
解題[kaidai] synopsis
改題[kaidai] changing a title
外交問題[gaikoumondai] diplomatic issue