Comparison of Tibetan vs Japanese language history gives us differences between origin of Tibetan and Japanese language. History of Tibetan language states that this language originated in c. 650 whereas history of Japanese language states that this language originated in 1185. Family of the language also forms a part of history of that language. More on language families of these languages can be found out on Tibetan and Japanese Language History.
People around the world use different languages to interact with each other. Even if we cannot communicate fluently in any language, it will always be beneficial to know about some of the common greetings or phrases from that language. This is where Tibetan and Japanese greetings helps you to understand basic phrases in Tibetan and Japanese language. Tibetan word for "Hello" is བཀྲ་ཤིས་བདེ་ལེགས། (tashi delek) or Japanese word for "Thank You" is ありがとう (Arigatō). Find more of such common Tibetan Greetings and Japanese Greetings. These greetings will help you to be more confident when conversing with natives that speak these languages.
The Tibetan vs Japanese difficulty level basically depends on the number of Tibetan Alphabets and Japanese Alphabets. Also the number of vowels and consonants in the language plays an important role in deciding the difficulty level of that language. The important points to be considered when we compare Tibetan and Japanese are the origin, speaking countries, language family, different greetings, speaking population of these languages. Want to know in Tibetan and Japanese, which language is harder to learn? Time required to learn Tibetan is 24 weeks while to learn Japanese time required is 88 weeks.