Donation
Offering
noun, する verb
I'd like to offer money, no strings attached. It's free. It's a donation.
けんきん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
政治献金としていくらかお金を包んだ。
I wrapped some money up as a political donation and gave it to them.