Japanese

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For pronunciation and definitions of れいきん – see the following entries.
礼金
[noun] [date uncertain] (real estate) key money: an amount of money paid to a landlord to start a lease agreement, usually non-refundable and separate from the deposit, and often a set multiple of the monthly rent amount
[noun] [from 1678] an amount of money given as thanks for something
(This term, れいきん (reikin), is the hiragana spelling of the above term.)

(The following entries are uncreated: 玲琴, 霊菌.)