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 = [ฮต] or [รฆ]. 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 Swahili Language
According to Wikipedia.org, Swahili is a popular Bantu language that is spoken in Tanzania, Uganda, and Kenya. It is also widely spoken in Burundi, Mozambique, Oman, Somalia the Democratic Republic of the Congo, and South Africa. The total number of native speakers is 98 million. According to a survey in 2012, there are about 47 million speakers in Tanzania and around 34 million in Uganda. You will be surprised to know that there is a small number of speakers in other parts of the world. Swahili is written in the Arabic script and is very much influenced by the Latin alphabet. There are plenty of dialects of Swahili but the modern standard Swahili is based on Kiunguja. Some old dialects include Maho that is distinctive from other dialects. Kimwani is another dialect that is majorly spoken in Mozambique.