Interest
noun
You receive profit at every breath. What kind of profit is this? It's interest. As time goes by and as you take more breaths you gain more bank interest.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
すぐに利息が大きくなってしまった。
The interest grew soon after.
今の仕事じゃ利息を返せないよ。
I can't pay back the interest with my current job.
あいにく今、その質問に答えられる者がいないのですが、もしインターネットにアクセス可能なら利息のレートはそちらでもご確認頂けますよ。
I’m afraid there is no one here who can answer your question right now, but you can also check your interest rate online, if you can connect to the Internet.