Components

開 means 'open'

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Strokes : 12    Frequency: 123   JLPT: N4    Usefulness: 2    Challenge set: 3    Grade: 3   Intermediate lesson: 9    Beginner lesson: -   Begins 223 words   Used in 526 words   Used in 833 names   Not used as a component
Jōyō (常用)
On
   カイ
Kun
   to (be) open   ける   ひら to open (something)   ひらける to open out (eg view)
Kun    ひら   -びら
Name    はる   か   ひらき
⿵   gate   start; initiate  
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In the most useful 10,000 words in Japanese, 開 is used 30 times, read 3 ways.
Across all words in Japanese, 開 is used 515 times, read 3 ways (with 2 variations).
カイ : 404 words FIND ALL
start; commencement; beginning; initiation
3
1
TEST
ひら : 48 words FIND ALL
'ku' godan verb, intransitive verb, transitive verb
1. to open; to undo; to unseal; to unpack
2. to bloom; to unfold; to spread out
(click the word to view an additional 13 meanings)
4
3
TEST
: 43 words FIND ALL
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)
(click the word to view an additional 8 meanings and 3 forms)
5
3
TEST
ひら (read as びら) : 19 words FIND ALL
noun
start of the mountain-climbing season
8
TEST
ひら (read as ぴら) : 1 word FIND ALL
1. to do something in public
2. to open
9
TEST
Henshall: 261 (originally: 241)  Joy o' Kanji : 241  Key to Kanji: 107 

Cascading kanji view

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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2
start, initiate   
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イチ   イツ   ひと    ひと- one   
1
twenty; two hands   
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ジュウ   ジッ   と    とお ten   
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1
stick   
モン   かど gate   
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4
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Search results include information from a variety of sources, including Kanshudo (kanji mnemonics, kanji readings, kanji components, vocab and name frequency data, grammar points), JMdict (vocabulary), Tatoeba (examples), Enamdict (names), KanjiVG (kanji animations and stroke order), and Joy o' Kanji (kanji and radical synopses). Translations provided by Google's Neural Machine Translation engine. For more information see credits.
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