Mu'jam ash-Shamil Alfadh al-Qur'an al-Karim wa Ma'aniha

Incredible work that this dictionary of indexation of words used in the Noble Quran. Arranged alphabetically and according to the Wazn (the 3 letters that form the verbal and nominal basis), for each verbal or nominal declension of the Wazn are listed all the verses, all the passages of the Quran that contain the term in question, as well as the definition of the word.

Good quality edition, in 2 large volumes, it is an excellent and very useful tool.