Comparison of Khmer vs Lao language history gives us differences between origin of Khmer and Lao language. History of Khmer language states that this language originated in 14 whereas history of Lao language states that this language originated in 1283 CE. 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 Khmer and Lao 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 Khmer and Lao greetings helps you to understand basic phrases in Khmer and Lao language. Khmer word for "Hello" is ND or Lao word for "Thank You" is ຂອບໃຈ (khàwp ja̖i). Find more of such common Khmer Greetings and Lao Greetings. These greetings will help you to be more confident when conversing with natives that speak these languages.
The Khmer vs Lao difficulty level basically depends on the number of Khmer Alphabets and Lao 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 Khmer and Lao are the origin, speaking countries, language family, different greetings, speaking population of these languages. Want to know in Khmer and Lao, which language is harder to learn? Time required to learn Khmer is 44 weeks while to learn Lao time required is 44 weeks.