Single-Word Audio has been made possible through software provided by Arabi for Arabic NLP
James Ada's concordance work; his research can be found at www.organizedQuran.com
Note: James is now a member of the IslamAwakened Continuity Board
The work of Dr. Shehnaz Shaikh and Ms. Kausar Khatri; their work is here The Glorious Quran Word-for-Word Translation to facilitate learning of Quranic Arabic
The Easy Dictionary of the Qur'an by Shaikh Abdul Karim Parekh
And of course Lane's Lexicon: An Arabic-English Lexicon: Derived From the Best and the Most Copious Eastern Sources by Edward William Lane