ENF can translate the top 100 nouns in a book from English to Russian if you provide it the custom dictionary for Russian. See the Original Post for a template to use.
However, "Russian Noun Frequency" would require an
entirely different plug-in written by a native speaker of Russian, along with a lot of research and manual effort to carefully itemize the grammatical parts of speech for most words in Russian. Different dialects of Russian must be included (English spelling in the British Isles is different than Canada than America than Australia/New Zealand than India). Example: Indian English spells the contraction for "do not" as "dont".
The rest spell it "don't". To me, "dont" means "tooth" (from the Greek), because I speak American English.
Not trivial.
If you unpack the EnglishNounFrequency.zip file, you will find many files that I had to create via lots of research to make ENF work properly and efficiently.
Spare time? Google "English Nouns", "English Verbs", "English Word Frequency", "English Word Length", "English Parts of Speech", etc.
DaltonST