Components
あける is an exact match with one form of the following word:
開ける
BOOST
Reading : あける   
ichidan verb, transitive verb
1. to open (a door, etc.); to unwrap (e.g. parcel, package); to unlock  (this meaning is restricted to form 開ける)
2. to open (for business, etc.)  (this meaning is restricted to form 開ける)
3. to empty; to remove; to make space; to make room  (esp. 空ける)
4. to move out; to clear out  (esp. 空ける)
5. to be away from (e.g. one's house); to leave (temporarily)  (esp. 空ける)
ichidan verb, intransitive verb
6. to dawn; to grow light  (esp. 明ける)
7. to end (of a period, season)  (esp. 明ける)
8. to begin (of the New Year)  (esp. 明ける)
9. to leave (one's schedule) open; to make time (for)  (esp. 明ける)
10. to make (a hole); to open up (a hole)
My mastery:
My current mastery of 開ける:
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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 143,483 which gives a rank of 1,664
開ける is the most useful form. 3 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 80% of the time
• Google Japan frequency rank: 21,000 (about 30,200,000 results)
• This form appears in Wikipedia's list of JLPT N5 vocabulary (see JLPT collections)
• iknow! Core 6000 rank: 183 (see iKnow! collections)
• Routledge most useful 5000 words rank: 646
• This form appears in the 1998 'Ichimango goi bunruishuu' frequent word list by Senmon Kyouiku
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Example sentences:
かのじょ
彼女
ドア
けた

She opened the door.
わたし
はこ
けて
なか

I opened the box and looked inside.
ドア
けて

Open the door.
明ける
BOOST
Reading : あける   
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 103,000 (about 1,720,000 results)
• This form appears in Wikipedia's list of JLPT N3 vocabulary (see JLPT collections)
• iknow! Core 6000 rank: 3924 (see iKnow! collections)
• Wikipedia most common 20000 words rank: 17477
• This form appears in the 1998 'Ichimango goi bunruishuu' frequent word list by Senmon Kyouiku
• This form is used as an example of an official Joyo kanji reading
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空ける
BOOST
Reading : あける   
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 99,000 (about 1,930,000 results)
• iknow! Core 6000 rank: 5569 (see iKnow! collections)
• This form appears in the 1998 'Ichimango goi bunruishuu' frequent word list by Senmon Kyouiku
• This form is used as an example of an official Joyo kanji reading
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あける
BOOST
My flashcards:
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Usefulness and usage:
• This form is used about 10% of the time
• Google Japan frequency rank: 68,000 (about 5,000,000 results)
• Wikipedia most common 20000 words rank: 18701
• One of the 1240 words included in the Genki textbooks
• This form appears in the 1998 'Ichimango goi bunruishuu' frequent word list by Senmon Kyouiku
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カイ   あ to (be) open   あける    ひら to open (something)   ひらける to open out (eg view)   
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start, initiate   
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イチ   イツ   ひと    ひと- one   
twenty; two hands   
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ジュウ   ジッ   と    とお ten   
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stick   
モン   かど gate   
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メイ   ミョウ   あかり light   あかるい bright   あかるむ to brighten   あからむ to become luminous (at dawn)   あきらか obvious   あかす to lay bare   あ to open   あける to empty   
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ニチ   ジツ   sun; day   ひ    -か    
ガツ   ゲツ   つき month; moon   
クウ   から empty   あ to be empty   あける to empty, vacate   そら sky   
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コウ   ク    work; construction; craft   
ケツ   あな hole   
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katakana 'ha'; eight
roof   
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