About Japanese Language
According to Wikipedia.org, Japanese is an East Asian language. It is spoken by about 128 million people. It is the official language of Japan. It is a member of the Japonic language family. The relation of Japanese to other languages is unclear. Japonic languages are grouped with many language families such as Ainu, Austroasiatic, Korean, and the now-discredited Altaia. Not much is known about the Japanese language's prehistory, and it is not known when it first appeared in Japan. Chinese documents from the 3rd century AD have recorded a few Japanese words, but texts appeared only after the 8th century. The Chinese language was the major language in Japan during the Heian period. The vocabulary and phonology of Old Japanese are influenced by the Chinese language. Late Middle Japanese is closer to the modern Japanese language. Japanese has a few similarities with the English language.
About Sundanese Language
According to Wikipedia.org, Sundanese is pronounced as basa sʊnda. It is a Malayo-Polynesian language that is spoken by Sundanese people. It has got 40 million native speakers in the western part of Java. They represent about 15% of the total population. You will be surprised to know that Sundanese has a lot of dialects. It includes western, northern, southern, mid-east, and northeast dialects. The Priangan dialect covers the largest areas of the Sundanese language. It is also taught in elementary schools and other forms of education. This language is written in different writing systems if we look at history. The old Sundanese script is also full of this writing script. If we talk about the Pegon script it is still commonly used among other options. There are around 18 consonants in Sundanese phonology.