There are several Syriac Lexicons that are available to use to study the Aramaic words:

1. William Jennings, Syriac New Testament Lexicon, published by Light of the Word Ministry with coded numbering system

2. R. Payne Smith, A Compendious Syriac Dictionary, Wipf and Stock

3. Brockelmann's Syriac Lexicon, Translated and updated by Michael Sokoloff