Components
投函 is an exact match with one form of the following word:
投函
BOOST
Reading : とうかん   
mailing; posting
My mastery:
My current mastery of 投函:
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My flashcards:
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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 28,202 which gives a rank of 85,172
投函 is the most useful form. 1 additional form is shown below.
• This form is almost always used
• Google Japan frequency rank: 32,000 (about 18,300,000 results)
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Example sentences:
かれ
この
てがみ
手紙
とうかん
投函
させましょ

Shall I have him mail this letter?
かれ
てがみ
手紙
とうかん
投函
する
ため
ゆうびんきょく
郵便局
いった
He went to the post office to mail the letter.
へんじ
返事
いて
すぐ
とうかん
投函
せよ
ちち
わたし
いった
My father told me to write an answer and post it at once.
投かん
BOOST
Reading : とうかん   
My flashcards:
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Usefulness and usage:
• This form is rarely used
• Google Japan frequency rank: 235,000 (about 55,900 results)
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トウ   なげる to throw (something)   
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lance shaft   
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キ    table   
また again   
hand
カン   はこ box, bin   
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open box
イチ   イツ   ひと    ひと- one   
スイ   みず water   
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