Components
役立つ is an exact match with one form of the following word:
役立つ
BOOST
Reading : やくだつ   
'tsu' godan verb, intransitive verb
to be useful; to be helpful; to serve the purpose
My mastery:
My current mastery of 役立つ:
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My flashcards:
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Usefulness and usage:
Kanshudo usefulness level: 4 (among the 5,000 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 104,695 which gives a rank of 4,407
役立つ is the most useful form. 2 additional forms are shown below.
This word is a member of our collection of the 10,000 most useful words in Japanese:
• This form is almost always used
• Google Japan frequency rank: 8,000 (about 92,300,000 results)
• This form appears in Wikipedia's list of JLPT N1 vocabulary (see JLPT collections)
• iknow! Core 6000 rank: 4574 (see iKnow! collections)
• Wikipedia most common 20000 words rank: 10073
• This form appears in the 1998 'Ichimango goi bunruishuu' frequent word list by Senmon Kyouiku
• This form appears in the 24,000 words in the Mainichi Shimbun frequency analysis by Alexandre Girardi
• This form is in band 41 in the EDICT word frequency file (bands go from 1-48, where 1 is most common - each contains about 500 words)
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Example sentences:
せきゆ
石油
たいへん
わたし
たち
せいかつ
生活
やくだ
役立

Oil is of great use to us.
おんがく
音楽
びじゅつ
美術
じんせい
人生
たの
しむ
おお
いに
やくだ
役立

Music and art can greatly contribute to the enjoyment of life.
これあなたやせる
やくだ
役立
てきせつ
適切
うんどう
運動
です
This is a good exercise to help you lose weight.
やくだつ
BOOST
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 205,000 (about 219,000 results)
• This form appears in the 1998 'Ichimango goi bunruishuu' frequent word list by Senmon Kyouiku
• This form appears in the 24,000 words in the Mainichi Shimbun frequency analysis by Alexandre Girardi
• This form is in band 41 in the EDICT word frequency file (bands go from 1-48, where 1 is most common - each contains about 500 words)
VIEW INFLECTIONS
役だつ
BOOST
Reading : やくだつ   
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 217,000 (about 143,000 results)
VIEW INFLECTIONS
ヤク   エキ    office, role; service   
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step
lance shaft   
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キ    table   
また again   
リツ   リュウ   た to stand   たてる to build   
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