Those two fonts are serif fonts. shouldn't be added to monospace.
<family>NanumGothicCoding</family> <!-- hangul (ko) -->
<family>NanumGothic</family> <!-- hangul (ko) -->
<family>UnDotum</family> <!-- hangul (ko) -->
- <family>UnBatang</family> <!-- hangul (ko) -->
<family>Baekmuk Dotum</family> <!-- hangul (ko) -->
<family>Baekmuk Gulim</family> <!-- hangul (ko) -->
- <family>Baekmuk Batang</family> <!-- hangul (ko) -->
<family>TlwgTypo</family> <!-- thai -->
<family>TlwgTypist</family> <!-- thai -->
<family>TlwgTypewriter</family> <!-- thai -->