New Korean Orthography

New Korean Orthography
Chosŏn'gŭl
조선어신철자법
Hancha
朝鮮語新綴字法
Revised RomanizationJoseoneo sincheoljabeop
McCune–ReischauerChosŏnŏ sinch'ŏlchapŏp

The New Korean Orthography was a spelling reform used in North Korea from 1948 to 1954. It added five consonants and one vowel letter to the Hangul alphabet, supposedly making it a more morphophonologically "clear" approach to the Korean language.