For any who wish to familiarise themselves with the complexity and variety of Tolkien’s languages, there is no better guide than that written by Tolkien himself.
A master of language and a man who was very much in love with the sound and flavour of language, Tolkien wrote extensively in the appendix to his great work which built some of the framework to the linguistic work which helped enable Peter Jackson’s dream and production.
Playing the character of Samwise Gamgee in The Lord of the Rings Trilogy, Sean Astin is an American who took on the monuments challenge of speaking with a British West Country dialect accent, no mean feat!