/zebrə/
/ʤaɪgæntəsɔ:ərəs/
American English is more similar to 15th century British English than modern British English is. American English was isolated from Britain and took its own paths in terms of lexis and pronunciation, with different influences on it than British English had along its own fork.
Orkan, are you interested in linguistics and pronunciation? You might find these interesting:
Click to hear each symbol and sample word. This interactive phonemic chart contains all 44 sounds used in spoken British English (Received Pronunciation).
www.englishclub.com
adrianunderhill.com
/kæn ju: di:kəʊd ðɪs mesəʤ/ ?
This is my field so feel free to ask any questions

David Crystal is brilliant to read on the subject of the English language - he's fun to read as well! Not stuffy