For example, there were "Hayaji Niju Kagami" (in which the words were classified and subclassified in iroha order similar to modern dictionaries), "Kyuyomaniai Sokuzabiki"(in which the words were classified in iroha order and subclassified by kana at the end of each word) and "Taisei seijitsu" (in which the words were classified in three steps: In iroha order, by category and by presence or absence of the Japanese syllabary for voiced consonants).
『早字二重鑑』（いろは順が二回繰り返される近代辞書に似た形式）、『急用間合即座引』（いろは順の次に語尾の仮名で分類）、『大成正字通』（いろは順、部門分類、濁音仮名の有無の三段階）などである。