romanize
verb
ro·man·ize ˈrō-mə-ˌnīz 
romanized; romanizing
transitive verb
1
often capitalized : to make Roman in character
2
: to write or print (something, such as a language) in the Latin alphabet
romanize Chinese
3
capitalized
a
: to convert to Roman Catholicism
b
: to give a Roman Catholic character to
romanization
ˌrō-mə-nə-ˈzā-shən
noun often capitalized 
Example Sentences
Recent Examples on the Web The most common method used pinyin, the system of romanized spelling for Mandarin that Chinese students learn in school. 
Mara Hvistendahl, Wired, 18 May 2020 Goo, romanized by the star as Koo and also known professionally as GUHARA, was one of the K-pop world’s most prominent female stars and also popular in Japan after rising to fame as part of girl group KARA. Tamar Herman, Billboard, 24 Nov. 2019
Mara Hvistendahl, Wired, 18 May 2020 Goo, romanized by the star as Koo and also known professionally as GUHARA, was one of the K-pop world’s most prominent female stars and also popular in Japan after rising to fame as part of girl group KARA. Tamar Herman, Billboard, 24 Nov. 2019 Word History
First Known Use
1607, in the meaning defined at sense 1