Comparison of Thai vs Indonesian language history gives us differences between origin of Thai and Indonesian language. History of Thai language states that this language originated in 1283 CE whereas history of Indonesian language states that this language originated in 7th Century. 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 Thai and Indonesian 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 Thai and Indonesian greetings helps you to understand basic phrases in Thai and Indonesian language. Thai word for "Hello" is สวัสดี (S̄wạs̄dī) or Indonesian word for "Thank You" is Terima kasih. Find more of such common Thai Greetings and Indonesian Greetings. These greetings will help you to be more confident when conversing with natives that speak these languages.
The Thai vs Indonesian difficulty level basically depends on the number of Thai Alphabets and Indonesian 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 Thai and Indonesian are the origin, speaking countries, language family, different greetings, speaking population of these languages. Want to know in Thai and Indonesian, which language is harder to learn? Time required to learn Thai is 44 weeks while to learn Indonesian time required is 36 weeks.