Components
起こる is an exact match with one form of the following word:
起こる
BOOST
Reading : おこる   
'ru' godan verb, intransitive verb
to occur; to happen
My mastery:
My current mastery of 起こる:
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My flashcards:
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Usefulness and usage:
Kanshudo usefulness level: 2 (among the 1,500 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 161,504 which gives a rank of 317
起こる 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 used about 50% of the time
• Google Japan frequency rank: 13,000 (about 51,900,000 results)
• This form appears in Wikipedia's list of JLPT N3 vocabulary (see JLPT collections)
• iknow! Core 6000 rank: 175 (see iKnow! collections)
• Wikipedia most common 20000 words rank: 1299
• 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 15 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:
ここその
じけん
事件
こった
ばしょ
場所
である
This is the place where the incident took place.
あした
明日
なに
こる
だれ
からない

No one can tell what may turn up tomorrow.
なにごと
何事
ころ

Whatever may betide.
おこる
BOOST
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 70,000 (about 4,660,000 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 15 in the EDICT word frequency file (bands go from 1-48, where 1 is most common - each contains about 500 words)
VIEW INFLECTIONS
起る
BOOST
Reading : おこる   
My flashcards:
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Usefulness and usage:
• This form is used about 40% of the time
• Google Japan frequency rank: 15,000 (about 44,400,000 results)
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キ   おきる to wake up, to get up   おこる to happen   おこす to rouse   
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コ   キ   おのれ self   
ソウ   はし run   
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