ECTACO Partner C-4EB English &lt;-&gt; Bulgarian Professional Talking Electronic Dictionary & eBook Electronic talking dictionaries (480,000 words) : English  Bulgarian; Bulgarian  English. English voice only Bulgarian and English human native speaker voice for all 14,000 phrases in the Audio PhraseBook WordNet Princeton edition English - English dictionary of modern English with over 70,000 head words and detailed explanations SAT 200 and SAT 5000 vocabularies, helping you to prepare for these tough, English-language standard proficiency tests. A handy English grammar guide Linguistic games that help you learn at your own pace, expand your vocabulary and improve spelling