The Buyeo languages represent a language family that includes the Goguryeo languages, the Korean language (Silla-Baekje), the Japanese language (Yamato) and the Ryūkyū languages into one family. The main message of this theory is that the Korean (including the Goguryeo languages) and the Japanese-Ryūkyū languages are genetically related.<Ref> 틀:Literature </ ref> < ref> 틀:Literature </ ref>
It has been suggested until recently that Korean and Japanese have no common related words, but this view has been refuted. In 2016, over 500 matching base words were discovered that point to a common origin.<Ref> 틀:Literature </ ref>
Both languages also have nearly identical grammar and politeness system. Other similarities between the languages are:<ref> Russell Tomlin, "Basic Word Order: Functional Principles", Croom Helm, London, 1986, page 22 </ ref><ref> 틀:Literature </ ref>
all are agglutinative languages,
the sentence structure follows in all languages the SOV-rule (subject-object-verb),
Noun and adjectives follow the same syntax,
Particle (grammar) are post-positional,
Attributes always precede the attributed reference words.
Here is a small example of related words:
'not / no'
ani , an
- na (-i) , - n (-u)
hi , -bi
'pack / bundle'
It is the newest research on japanese-korean relation of 2016, thank you