Components
発光 is an exact match with one form of the following word:
発光
BOOST
Reading : はっこう   
luminescence; radiation
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My current mastery of 発光:
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My flashcards:
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Usefulness and usage:
Kanshudo usefulness level: 6 (among the 15,000 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 78,598 which gives a rank of 9,236
発光 is the most useful form. 1 additional form is shown below.
• This form is almost always used
• Google Japan frequency rank: 23,000 (about 27,500,000 results)
• Wikipedia most common 20000 words rank: 9963
• This form appears in the 24,000 words in the Mainichi Shimbun frequency analysis by Alexandre Girardi
• This form is in band 22 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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No examples found for any form of this word.
はっこう
BOOST
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 199,000 (about 264,000 results)
• This form appears in the 24,000 words in the Mainichi Shimbun frequency analysis by Alexandre Girardi
• This form is in band 22 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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ハツ   ホツ    emission, discharge   
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hairy legs
ニ   ふた    ふた two   
legs
コウ   ひかり light, sunshine   ひか to shine, twinkle   
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ショウ   こ-    お-    ちいさい small   
one pair of legs
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イチ   イツ   ひと    ひと- one   
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