Every Month
Monthly
noun
Every moon is every month (as you know from all the month-related vocab). This can also mean monthly.
The most common reading for this word has the on'yomi reading for 毎 plus the kun'yomi reading for 月. That makes it まいつき. But it can be read まいげつ using both on'yomi readings too. You can use either!
毎月のイベント
monthly events
毎月のテーマ
monthly themes
毎月のローン
monthly loans
このワークショップは毎月ありますか？
Do you hold this workshop every month?
毎月五日は休みです。
It is closed on the 5th of every month.
毎月コンビニのアイスにかかるお金は三万円くらいです。
The money I spend on convenience store ice cream every month comes to about 30,000 yen.