Components
きゅうせい is an exact match with one form of the following word:
急性
BOOST
Reading : きゅうせい   
acute (e.g. illness)
My mastery:
My current mastery of 急性:
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My flashcards:
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Usefulness and usage:
Kanshudo usefulness level: 5 (among the 10,000 most useful words in Japanese)
• Kanshudo usefulness level is based on a usefulness score of 101,733 which gives a rank of 4,786
急性 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: 13,000 (about 51,100,000 results)
• Wikipedia most common 20000 words rank: 9298
• 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:
ここ
きゅうせい
急性
いた
あります
I have an acute pain here.
どうだった
きゅうせい
急性
ちゅうすいえん
虫垂炎
だって
"How did it go?" "They said it was acute appendicitis."
きゅうせい
BOOST
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 95,000 (about 2,140,000 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)
VIEW INFLECTIONS
キュウ   いそ to hurry   
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シン   こころ heart   
corner
yo = to yell / say hi
セイ   ショウ    sex, gender, nature, disposition   
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heart
セイ   ショウ    life   なま raw   いかす to enliven   いきる to live   いける to arrange flowers   うまれる to be born   う to give birth to   き pure, undiluted   お to grow, to sprout   はえる to grow, to sprout   はやす to grow, cultivate   
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