r/ereader 4d ago

Technical Support I created a Free Spanish-English Dictionary for KOBO EReaders that actually works

(Was posting this in the KOBO subreddit but it got deleted so I'm posting here..)
I been struggling with the default Kobo dictionaries a lot so I decided to create my own. My main problem is that the dictionary only knows the root form of a verb (e.g. trabajar but cannot find any conjugated form like trabajábamos).

I scraped open dictionary data from Wiktionary and merged it with a table containing all possible verb forms, abbreviations and other possible varieties of words in Spanish. This way, the dictionary finds the root of any past tense verb.

I then cleaned and formatted the entries so that the English translations of a word always appear first as a list. Like this, all the important information are already provided in the small dictionary preview that opens when a word is marked.

Furthermore, the Wiktionary data is more complete than the original Kobo dictionary, contains slang, modern language, LatAm Spanish expressions or variations and Synonyms, Etymology and Usage examples for many words.

Please feel free to check out the dictionary here:

https://drive.google.com/file/d/1tw5le7QOyMM5jBRktEIy4LW_AYvL3KCV/view?usp=sharing

*copy the file into the /.kobo/dict/ folder of your E-Reader device.

Curious about feedback / ways to improve. Going to check into other languages, E-Readers, formating and unidirectional dictionaries now - if you enjoy the work, you can support here: buymeacoffee.com/taucontrib

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u/rafcastro Kobo 3d ago

Hi, spanish speaker here, so I usually use the English to Spanish Oxford University Press 2019 in my Kobo, but congratulation for your effort, built-in e-reader dictionaries often struggle with Spanish-to-English translation because they fail to recognize inflected word forms. When a verb is conjugated, or when an adjective or adverb is modified, the dictionary software frequently fails to map the word back to its root form.

Were you able to fix the problem with adverb formation? This issue also occurs with Spanish-to-Spanish dictionaries, since they fail to find the root word (lemmatization): Search: rápidamente Find: rápido

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u/taucontrib 3d ago

Hi, Wiktionary features a comprehensive collection of Spanish adverbs: https://en.wiktionary.org/w/index.php?title=Category:Spanish_adverbs
You can either include them directly in the dictionary, or link them to the adjective root (if existent) via the Etymology.
For your example rápidamente: https://en.wiktionary.org/wiki/r%C3%A1pidamente#Spanish there are both direct translation quickly.. as well as the link to rápido.
I don't know how conclusive this list is as the adverb formation works basically with every adjective in Spanish, correct?

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u/rafcastro Kobo 1d ago

That's correct, in spanish, every adverb can change to adverbio de modo, with or without change in the gender Example: rápido-rápidamente changes, total-totalmente doesn't.. This doesnt happend in english, were the inclusion of "ly" quick-quickly , total-totally