Free on orders over $99
A Thesaurus of the Language of the Bible, Hebrew and Aramaic, Roots, Words, Proper Names Phrases and Synonyms
If you're looking for a specific word in Tanach (the Bible), this book is all you need. It provides references to each and every word and word variation in the entire Tanach (Torah, Neviim-Prophets, and Kethuvim-Writings). It was compiled by Avraham Even-Shoshan and first published in 1977.