Chocassye
Chocassye

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Welcome to Chocassye, a Searchable Database of Historical Korean Texts!

Around 1,000 texts in Middle Korean and Early Modern Korean, as well as early interpretative gugyeol (kwukyel) are available for rapid search.

Please read and follow the instructions below for optimal usage.

Basic Usage

You can search the database with Hangul, romanization, or a mix of both, as demonstrated below. All queries are automatically converted to romanized form before querying the database, as the internal format of the database is in romanized form.

InputHangul FormActual Query
이더라→이더라Gi.te.la
ho.Wo.za→ᄒᆞᄫᆞᅀᅡho.Wo.za
ho.거든→ᄒᆞ거든ho.ke.tun

We use a modified Yale Romanization system. Here are the most important differences:

  • ‘ㅇ’ is always romanized into ‘G’(a capital G) regardless of the environment it appears in.
  • Letter blocks are always separated by a ‘.’ (full stop), unless already separated by a space.
  • For ‘ㅛ’ and ‘ㅠ’, we use ‘yo’ and ‘yu’ instead of ‘ywo’ and ‘ywu’.
  • A letter block without an initial letter is romanized as if the initial letter is ‘`’ (a single backtick). For example, ᅟᅵᆫ → `in.

The chart below shows the full correspondence between Hangul letters and our romanization.

ㄱㅋㆁㄴㄷㅌㅁㅂㅍㅇㅎㆆㄹㅿㅸ
kkhngntthmpphGhqlzW
ㅅㅈㅊᄼᄽᅎᅏᅔᄾᄿᅐᅑᅕㅱ( )
scchs/ss/c/cc/ch/s\ss\c\cc\ch\M`
ᆞㅗㅛㅡㅜㅠㅏㅘㅑㆇㅓㅝㅕㆊㅣ
owoyouwuyuawayaywaeweyeywei
ㆎㅚㆉㅢㅟㆌㅐㅙㅒㆈㅔㅞㅖㆋ
oywoyyoyuywuyyuyaywayyayywayeyweyyeyywey
Advanced Usage
Wildcards
We support two types of wildcards for advanced searching.
  • The ‘_’ (underscore) matches any one romanized letter.
  • The ‘%’ (percent sign) matches any number of letters, including zero.
Find sentences that starts with or ends with a certain phrase
  • To find a sentence that starts with a certain phrase, prepend a “^” (caret) to the query string.
  • To find a sentence that ends with a certain phrase, append a “$” (dollar sign) to the query string.
Regular Expression Search
You can use regular expressions to search for specific patterns in the text.
  • To use regular expressions, start and end your query with a / (slash).
  • You can only use romanized letters in regular expressions. Be careful to escape the syllable separator with “\.”!
  • For example, entering /cho\.c[ou]\.ni/ will match both cho.co.ni (ᄎᆞᄌᆞ니) and cho.cu.ni (ᄎᆞ즈니).
  • Some regular expression features may not be supported.
  • Searching with regular expressions can be slow, especially for complex patterns. If a search takes more than 10 seconds, it will be automatically stopped. In that case, try to narrow down your search term.
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