Word frequency list for Pāḷi

 

There's an overall list:

http://wayback.archive.org/web/20130817131407/http://www.nibbanam.com/pali_language_tools.html#freqList
http://wayback.archive.org/web/20130817131407/http://www.nibbanam.com/sortedFrequencyPali.zip

however word list for only Sutta and Vinaya may be more useful:

http://dhamma.ru/paali/wordlist.zip
http://dhamma.ru/paali/palispell.zip

or, to narrow it down futher, word list for first four Nikayas:

http://dhamma.ru/paali/word_list.odt

or just Majjhima Nikaya:

http://dhamma.ru/paali/MN2000word_list.odt

There's also a book:

Kurt Schmidt

A Frequency Dictionary of Pali: Core Vocabulary for Learners

http://www.amazon.com/Frequency-Dictionary-Pali-Vocabulary-Learners/dp/1478369159/

Flashcards may be conducive to fixed and overly simplified understanding of terms, but they can be useful:

http://www.memrise.com/courses/english/pali/

Mettā,

               Dmytro