Comparison of Lao vs Vietnamese language history gives us differences between origin of Lao and Vietnamese language. History of Lao language states that this language originated in 1283 CE whereas history of Vietnamese language states that this language originated in c. 1440. 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 Lao and Vietnamese 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 Lao and Vietnamese greetings helps you to understand basic phrases in Lao and Vietnamese language. Lao word for "Hello" is ສະບາຍດີ (sába̖ai-di̖i) or Vietnamese word for "Thank You" is Cam on. Find more of such common Lao Greetings and Vietnamese Greetings. These greetings will help you to be more confident when conversing with natives that speak these languages.
The Lao vs Vietnamese difficulty level basically depends on the number of Lao Alphabets and Vietnamese 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 Lao and Vietnamese are the origin, speaking countries, language family, different greetings, speaking population of these languages. Want to know in Lao and Vietnamese, which language is harder to learn? Time required to learn Lao is 44 weeks while to learn Vietnamese time required is 44 weeks.