English

English Education :

1. American-English Pronunciation (Online Application)
2. What is English Diphtongs?
3. What is English Consonant?
4. What is English Vowels?
5. Listening Skills.

Dictionaries :

1. Dictionary 1 (vocabulary.com).
2. Dictionary 2 (wordnetweb) 
3. Dictionary 3 (thefreedictionary.com) 

 
Other : 

1. Chalenge Your Vocab!! (vocabulary.com).