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

懐疑[kaigi] doubt
危疑[kigi] fear
疑い[utagai] doubt
疑い深い[utagaibukai] doubting
疑う[utagau] to doubt

疑り[utaguri] doubt
疑わしい[utagawashii] doubtful
疑雲[giun] cloud of suspicion
疑義[gigi] doubt