Components
4 words matching 'けいか' found
けいか is an exact match with one form of the following word:
経過
BOOST
Reading : けいか   
passage; expiration; progress; transition
My mastery:
My current mastery of 経過:
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Usefulness and usage:
Kanshudo usefulness level: 3 (among the 3,000 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 134,695 which gives a rank of 1,711
経過 is the most useful form. 1 additional form is 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: 3,000 (about 288,000,000 results)
• This form appears in Wikipedia's list of JLPT N1 vocabulary (see JLPT collections)
• Kanshudo JLPT value = N1
• iknow! Core 6000 rank: 4792 (see iKnow! collections)
• Wikipedia most common 20000 words rank: 3675
• 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 5 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:
じかん
時間
というもの
はや
けいか
経過
する
もの
Time runs on.
かれ
しゅっぱつ
出発
して
じかん
時間
はん
けいか
経過
した

Three and a half hours have passed since he left.
ゆうじん
友人
くなって
から
ちょうど
丁度
ねん
けいか
経過
した

Just one year has gone by since my friend died.
けいか
BOOST
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 84,000 (about 3,000,000 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 5 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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けいか is a reading of one form of the following word:
ケイ化
BOOST
Reading : ケイか   
silicification
My mastery:
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Usefulness and usage:
Kanshudo usefulness level: 10 (among the 100,000 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 36,338 which gives a rank of 48,708
ケイ化 is the most useful form. 1 additional form is shown below.
• This form is used about 90% of the time
• Google Japan frequency rank: 21,000 (about 30,000,000 results)
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No examples found for any form of this word.
珪化
BOOST
Reading : けいか   
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Usefulness and usage:
• This form is used about 10% of the time
• Google Japan frequency rank: 103,000 (about 1,730,000 results)
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けいか is the reading of the following word:
京華
BOOST
Reading : けいか   
noun
capital; national capital
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Usefulness and usage:
Kanshudo usefulness level: 10 (among the 100,000 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 27,668 which gives a rank of 89,600
• Google Japan frequency rank: 71,000 (about 4,470,000 results)
No examples found for any form of this word.
けいか is a reading of every form of the following word:
螢火
BOOST
Readings : けいか    ほたるび   
螢火 can be read in 2 ways: ほたるび (60%), けいか (40%).
noun
light of a firefly
My mastery:
My current mastery of 螢火:
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Usefulness and usage:
Kanshudo usefulness level: 11 (among the 150,000 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 25,273 which gives a rank of 108,617
螢火 is the most useful form. 1 additional form is shown below.
• This form is used about 90% of the time
• Google Japan frequency rank: 88,000 (about 2,630,000 results)
Example sentences:
まえ
ひばち
火鉢
のこ
った
ほたるび
蛍火
はい
けておきましょう

Before going to bed, cover the remaining embers in the brazier with ashes.
蛍火
BOOST
Readings : けいか    ほたるび   
蛍火 can be read in 2 ways: ほたるび (60%), けいか (40%).
My flashcards:
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Usefulness and usage:
• This form is used about 10% of the time
• Google Japan frequency rank: 167,000 (about 455,000 results)
ケイ   キョウ   へ to elapse   
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シ   いと thread   
ground again
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ド   ト   ground; earth   つち ground, earth, soil   
また again   
カ   あやま mistake   あやま to slip up   すぎる to overdo, be more than   すごす to pass, spend   
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gossip; dishonest   
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wide mouth
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wide
コウ   ク   くち mouth   
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move
カ   ケ   ばける to change   
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ジン   ニン   ひと man   
さじ spoon   
jade scepter
キョウ   ケイ    capital   
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ショウ   こ-    お-    ちいさい small   
lid
カ   ケ   China; Chinese   はな flower; showy; China   
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スイ   hang down; hanging   たらす to hang down, to suspend   たれる to be dangling, to drip   
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grass   
ケイ   ほたる firefly   
カ   fire   ひ    ほ-    
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eight
ジン   ニン   ひと person   
ケイ   ほたる firefly   
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チュウ   むし insect   
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イチ   イツ   ひと    ひと- one   
dot   
チュウ   ジュウ   なか middle   
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stick   
classroom
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small
cover; covered   
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