About Korean Language
According to Wikipedia.org, The Korean language is the official language of North and South Korea. Around 48 million speakers live in South Korea while the other 24 million reside in North Korea. There are around 2 million speakers of the Korean language in China while 1 million are in the United States. The dialect of Korean is different in both North and South Korea. Even the spellings, alphabets, and vocabulary choices are different. The writing system features vernacular script and is now known as Hangul. There are two different types of vowels that include y or w. Some front vowels are written as e = [e], and ae = [ε] or [æ]. However, some of them are originally diphthongs. The Korean language is deeply influenced by Chinese but even then, it is completely different from it.
About Catalan Language
According to Wikipedia.org, Catalan popularly known as català or llengua catalana; Eastern Catalan: [kətəˈla] is a major language of the Valencian Community. Catalan is a Western Romance language and has been derived from Vulgar Latin. Catalan is the official language of Andorra and is spoken by people in the country. It is the co-official language of three communities. The language is prominent in three communities of eastern Spain. It is widely spoken in Catalonia, the Valencian Community, and the Balearic Islands. The language has semi-official status in the commune of Alghero in Italy. Catalan is also spoken in the Pyrénées-Orientales which is the department of France. The language is spoken in further areas in eastern Spain and the eastern strip of Aragon. It is also the commonly spoken language in the Carche area. People who speak Catalan are called Països Catalans. It is a language evolved from Vulgar Latin in the Middle Ages in the eastern Pyrenees.