In this interesting blog from the Brooklyn Monk in Asia, author Antonio Graceffo, discusses the similarities between Thai and Khmer languages. He was in a Khmer-speaking region of Thailand when he found himself switching between the two langauges unconsciously. Thai, Khmer and Laos are similar languages in the region and Thai is the linguistic dominant language. Meaning that other people adapt their speaking to Thai listeners rather than Thais adapting themselves to the foreign pronunciation. He goes on to relate his own experiences learning Vietnamese and the cultural similarities that can trigger and influence the learning of languages beyond ligustic similarities.