Acknowledgments

CC-CEDICT, the community-maintained Chinese–English dictionary, published by MDBG; after CEDICT by Paul Denisowski

Licensed under CC BY-SA 4.0. Pinyin is shown with tone marks; measure words are listed apart from the definitions.

Word frequencies from SUBTLEX-CH: Cai, Q., & Brysbaert, M. (2010). Chinese word and character frequencies based on film subtitles. PLoS ONE 5(6): e10729

Licensed under terms of Ghent University. Ranks are grouped into Top 1,000 … Top 50,000 bands.

Senses, example sentences, bopomofo and etymologies from English Wiktionary's Chinese entries, extracted by wiktextract (kaikki.org)

Licensed under CC BY-SA 4.0. Only words also in CC-CEDICT, matched by reading; Mandarin senses and example sentences only (no quotations), at most three examples per sense; classifier notes and most grammatical labels removed.

Old Chinese readings in Zhengzhang Shangfang's reconstruction (鄭張尚芳, 上古音系, 2003), from English Wiktionary's Module:zh/data/och-pron-ZS, by Wiktionary contributors

Licensed under CC BY-SA 4.0. Each character's first reading that names the character, with its phonetic series; shown with the character exercises, where the series decides which part gives a character its sound.

JMdict, the Japanese–Multilingual Dictionary, by the Electronic Dictionary Research and Development Group (Jim Breen and contributors); via jmdict-simplified by scriptin

Licensed under CC BY-SA 4.0 (EDRDG licence). Entries are reformatted for display; part-of-speech names are shortened.

JMnedict, the Japanese proper-name dictionary, by the Electronic Dictionary Research and Development Group; via jmdict-simplified by scriptin

Licensed under CC BY-SA 4.0 (EDRDG licence). Definitions are reformatted for display.

Example sentences from the Tatoeba Project, as linked in JMdict

Licensed under CC BY 2.0 FR. Definitions are reformatted for display.

Word frequencies from the jiten.moe Global frequency list (anime, drama, novels, games and more)

Licensed under CC BY-SA 4.0. Ranks are grouped into Top 1,000 … Top 50,000 bands.

Japanese stroke order from KanjiVG by Ulrich Apel and contributors

Licensed under CC BY-SA 3.0. Stroke paths are animated in order; regional variants are left out.

Pitch accent from Kanjium by mifunetoshiro (accents.txt), with pitch notation by Uros O.; built on EDRDG’s EDICT

Licensed under CC BY-SA 4.0. Drawn over the reading as a line over high morae and a drop mark (Tokyo pattern); part-of-speech labels on patterns are left out.

Kanji readings classified as kun'yomi, go-on, kan-on, tō-on, sō-on and kan'yō-on, from English Wiktionary

Licensed under CC BY-SA 4.0. Historical kana spellings, name readings (nanori) and the grammar some kun readings carry are left out; on’yomi Wiktionary does not classify are listed as on’yomi.

JmdictFurigana by Doublevil: JMdict words' readings split over their kanji, used to find example words for each reading

Licensed under CC BY-SA 4.0 (as JMdict). Definitions are reformatted for display.

Korean stroke order for 535 hanja from animCJK by FM&SH, after Make Me a Hanzi and Arphic’s fonts

Licensed under Arphic Public License. Definitions are reformatted for display.

세계인이 누리는 한국어 학습사전 (Korean Learners' Dictionary, with English translations) by 국립국어원, the National Institute of Korean Language; via the KRDICT EN Hanja Yomitan build by peldas

Licensed under CC BY-SA 2.0 KR. Definitions are reformatted for display.

표준국어대사전 (Standard Korean Language Dictionary) by 국립국어원, the National Institute of Korean Language; via the STDICT Hanja Yomitan build by peldas

Licensed under CC BY-SA 2.0 KR. Definitions are reformatted for display; the English definitions and example translations are machine translations made for Sinoxenica.

Stroke order for Chữ Nôm characters from make-me-a-chunom (nomnaviet), after Make Me a Hanzi and Arphic’s fonts

Licensed under Arphic Public License. Definitions are reformatted for display.

Vietnamese–English dictionary by Paul Denisowski

Licensed under CC BY 3.0. Definitions are reformatted for display.

Open Vietnamese Dictionary Project, © 1997–2003 Free Vietnamese Dictionary Project, © 2007 Open Vietnamese Dictionary Project

Licensed under GNU GPL v2 or later. Definitions are reformatted for display.

English Wiktionary's Vietnamese entries, by Wiktionary contributors; via kaikki.org (wiktextract)

Licensed under CC BY-SA 4.0. Glosses and examples are extracted and reformatted; quotations longer than 160 characters and character entries are left out.

Mandarin syllables in their four tones, recorded by Chen Wang (王琛), © 2013 Wang Chen, Lopez Hugo, Vion Nicolas; audio-cmn by Hugo Lopez (PLIDAM, INALCO)

Licensed under CC BY-SA 3.0. The recordings are unchanged, their files renamed by syllable.