“to pay / to store” in Japanese is 納, read nou, tou, na (のう, とう, な, おさ). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 納税 (paying taxes).
What does 納 mean?
来月までに税金を納める。
Same sound, different character — the classic trap. Compare them side by side: