やく
Meanings
Verb (5-dan, つ, intransitive)
1. to be useful; to be helpful; to serve the purpose
Used inUsed in %
Anime390(27%)
Live action275(21%)
Visual novels336(63%)
Novels835(56%)
Non-fiction86(59%)
Web novels537(50%)
Aozora Bunko196(33%)

Used in

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Showing 1..50 from 86 entries

Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Karada no Kyouyou 365
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Karada no Kyouyou 365
Used times55
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Cover of Keisanki Program no Kouzou to Kaishaku Dainihan
Book (non-fiction)
Keisanki Program no Kouzou to Kaishaku Dainihan
Used times27
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Cover of Kenkou Shokuhin no Koto ga Yoku Wakaru Hon
Book (non-fiction)
Kenkou Shokuhin no Koto ga Yoku Wakaru Hon
Used times16
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Cover of Counseling Shinrigaku Nyuumon
Book (non-fiction)
Counseling Shinrigaku Nyuumon
Used times15
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Cover of Kodai Kenkyuu Series
Book (non-fiction)
Kodai Kenkyuu Series
Used times15
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Cover of Zen'aku no Higan
Book (non-fiction)
Zen'aku no Higan
Used times15
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Cover of Kokugo Dokkai Youyakuhou
Book (non-fiction)
Kokugo Dokkai Youyakuhou
Used times11
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Cover of Lindbergh Dainiji Taisen Nikki
Book (non-fiction)
Lindbergh Dainiji Taisen Nikki
Used times11
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Cover of Hougaku to wa Nanika Toku ni Nyuumonsha no Tame ni
Book (non-fiction)
Hougaku to wa Nanika Toku ni Nyuumonsha no Tame ni
Used times11
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Cover of Keizaigaku Tetsugaku Toukou
Book (non-fiction)
Keizaigaku Tetsugaku Toukou
Used times9
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Cover of The Art of Marketing Marketing no Gihou
Book (non-fiction)
The Art of Marketing Marketing no Gihou
Used times9
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Cover of Okane no Fuyashikata Tamekata Mamorikata ga Mi ni Tsuku Money Jutsu Taizen
Book (non-fiction)
Okane no Fuyashikata Tamekata Mamorikata ga Mi ni Tsuku Money Jutsu Taizen
Used times9
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Cover of Kyousan Shugi no Keifu
Book (non-fiction)
Kyousan Shugi no Keifu
Used times9
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Cover of Consul Ichinenme ga Manabu Koto
Book (non-fiction)
Consul Ichinenme ga Manabu Koto
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Cover of Tsuzukeru Chikara Shigoto Benkyou de Seikou Suru Oudou
Book (non-fiction)
Tsuzukeru Chikara Shigoto Benkyou de Seikou Suru Oudou
Used times6
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Cover of Nihongo wo Kaku Sahou Yomu Sahou
Book (non-fiction)
Nihongo wo Kaku Sahou Yomu Sahou
Used times6
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Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365 Jinbutsuhen
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365 Jinbutsuhen
Used times6
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Cover of Jazz no Rekishi Monogatari
Book (non-fiction)
Jazz no Rekishi Monogatari
Used times5
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Cover of Sekai Ichi Yasashii Shikouhou no Hon
Book (non-fiction)
Sekai Ichi Yasashii Shikouhou no Hon
Used times5
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Cover of Whiskey to Watashi
Book (non-fiction)
Whiskey to Watashi
Used times5
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Cover of Hon wa Jussatsu Douji ni Yome!
Book (non-fiction)
Hon wa Jussatsu Douji ni Yome!
Used times5
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Cover of Ichinichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365
Book (non-fiction)
Ichinichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365
Used times4
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Cover of Game Riron Nyuumon no Nyuumon
Book (non-fiction)
Game Riron Nyuumon no Nyuumon
Used times4
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Cover of Korekara no Kyouyou Gekihen Suru Sekai wo Ikinuku Tame no Chi no 11Kou
Book (non-fiction)
Korekara no Kyouyou Gekihen Suru Sekai wo Ikinuku Tame no Chi no 11Kou
Used times4
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Cover of Nagaiki ni Kodawaranai Saigo no Hi Made Koufuku ni Ikitai Anata e
Book (non-fiction)
Nagaiki ni Kodawaranai Saigo no Hi Made Koufuku ni Ikitai Anata e
Used times4
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Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365 Gendaihen
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365 Gendaihen
Used times4
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Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Nihon no Kyouyou 365 Rekishihen
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Nihon no Kyouyou 365 Rekishihen
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Cover of Nattoku no Naitei wo Mezasu Shuushoku Katsudou 1 Satsume no Kyoukasho 2025
Book (non-fiction)
Nattoku no Naitei wo Mezasu Shuushoku Katsudou 1 Satsume no Kyoukasho 2025
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Cover of Utsu wo Naosu
Book (non-fiction)
Utsu wo Naosu
Used times3
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Cover of Chisan Chishou no Energy Kakumei Mou Genpatsu ni wa Tayoranai
Book (non-fiction)
Chisan Chishou no Energy Kakumei Mou Genpatsu ni wa Tayoranai
Used times3
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Cover of Jinsei ga Tokimeku Katazuke no Mahou
Book (non-fiction)
Jinsei ga Tokimeku Katazuke no Mahou
Used times3
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Cover of Fumu Fumu Oshiete, Oshigoto!
Book (non-fiction)
Fumu Fumu Oshiete, Oshigoto!
Used times3
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Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Nihon no Kyouyou 365
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Nihon no Kyouyou 365
Used times3
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Cover of Shiken ni Deru Tetsugaku Center Shiken de Seiyou Shisou ni Nyuumon Suru
Book (non-fiction)
Shiken ni Deru Tetsugaku Center Shiken de Seiyou Shisou ni Nyuumon Suru
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Cover of Minzokugaku Nyuumon
Book (non-fiction)
Minzokugaku Nyuumon
Used times3
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Cover of Kaku Shuukan ~Jibun to Jinsei ga Kawaru Ichiban Taisetsu na Bunshouryoku
Book (non-fiction)
Kaku Shuukan ~Jibun to Jinsei ga Kawaru Ichiban Taisetsu na Bunshouryoku
Used times2
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NO COVER
Book (non-fiction)
Tei Layer wo Shiritai Hito no Tame no C Compiler Sakusei Nyuumon
Used times2
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Cover of Atama no Gomi wo Sutereba,  Nou wa Isshun de Mezameru!
Book (non-fiction)
Atama no Gomi wo Sutereba, Nou wa Isshun de Mezameru!
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Cover of Nihonjin no Kurashi no Katachi
Book (non-fiction)
Nihonjin no Kurashi no Katachi
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Cover of Shuuyou
Book (non-fiction)
Shuuyou
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Cover of Sake to Katei wa Dokusho no Teki da.
Book (non-fiction)
Sake to Katei wa Dokusho no Teki da.
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Cover of Dare demo Dekiru Story Shiki Kiokuhou
Book (non-fiction)
Dare demo Dekiru Story Shiki Kiokuhou
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Cover of Eien Nare, Nihon
Book (non-fiction)
Eien Nare, Nihon
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Cover of Yaku ni Tatsu Koten
Book (non-fiction)
Yaku ni Tatsu Koten
Used times2
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Cover of Ine no Nihonshi
Book (non-fiction)
Ine no Nihonshi
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Cover of 2011
Book (non-fiction)
2011
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Cover of Aserazu, Okorazu, Akiramezu
Book (non-fiction)
Aserazu, Okorazu, Akiramezu
Used times2
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Cover of Nietzsche Goroku
Book (non-fiction)
Nietzsche Goroku
Used times2
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Cover of Otomodachi Kara Onegai Shimasu
Book (non-fiction)
Otomodachi Kara Onegai Shimasu
Used times2
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Cover of Nihongo, Dou Deshou?
Book (non-fiction)
Nihongo, Dou Deshou?
Used times2
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