1. Phonetic Transliteration: The most direct way to say it is to transliterate it phonetically: Джейк (Dzeyk)
2. Closest Russian Name: If you want a Russian name that sounds similar, you could use Яков (Yakov).
3. Informal Options:
* Джей (Dzei) - A shortened, more informal version of "Jake"
* Джейки (Dzeiki) - A playful, diminutive form of "Jake"
The best option depends on the context and how you want to convey the name.