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Which of the following terms means 'Japanese'?
げんき (genki)
にほんご (nihongo)
わたし (watashi)
おたく (otaku)
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What do users get?
guests members
basic vocabulary quizzes
basic kanji quizzes
study official materials
JLPT, Kanji Kentei, and 11 textbooks including Genki, JFBP, and Yookoso!
study user-made materials
make your own lessons
automatic term reviews
personal study schedules
lesson-less schedules, mix & match materials, only study your weakest materials

personalized services
track your vocab/kanji proficiency
unlimited personal quiz history
kanji sensitive vocabulary
only kanji that you want to study appears in quizzing and lists
personalized grammar & sentences
rewritten to fit your knowledge

grammar library
hundreds of grammar points
practice using grammar
receive feedback on sentences

..and more!
vocab/kanji/grammar/sentence dictionaries
Japanese practice activities/games
Japanese resource library