Nicholas Brown 
Russian Learners‘ Dictionary [PDF ebook] 
10, 000 Russian Words in Frequency Order

This dictionary contains 10, 000 Russian words in order of importance starting with the most common and finishing with words that occur about 8 times in a million. All the words have English translations, many have examples of usage and the entries include information on stress and grammatical irregularities. There is also a complete alphabetical index to the words in the list.A learner who knows all or most of these 10, 000 words can be regarded as competent in Russian for all normal purposes. The list takes you from a beginner’s core vocabulary through to postgraduate level.