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| English | Greek |
| National Folk | Εθνική φολκ (One of the music genres that appears under Genre classification in Windows Media Player library. Based on ID3 standard tagging format for MP3 audio files. Winamp genre ID 82) |
| National Register of Legal Entities | Εθνικό μητρώο νομικών προσώπων (A 14-digit identification number issued to Brazilian companies by the Brazilian Ministry of Revenue for tax purposes) |
| South African National Clearing Code | κωδικός NCC για Νότια Αφρική (A series of numbers used to identify banks and transaction routing information for South African financial institutes) |