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

暗赤色[ansekishoku] dark red
遠赤外[ensekigai] far infrared
真赤[makka] bright red
赤い[akai] red
赤鱝[akaei] red stingray (Dasyatis akajei)

赤ちゃん[akachan] baby
赤らむ[akaramu] to become red
赤らめる[akarameru] to blush
赤ら顔[akaragao] red faced
赤ん坊[akanbou] baby