Commonwealth
Federation
noun, の adjective
Take along your home country to all the other spaces you want to add to your group. Put them together to form the commonwealth or federation.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own. Just watch out for the ほう turning into ぽう!
ちょっと待って。もしかして、連邦税と州税どっちも払わなきゃいけないの？
Wait a second. By any chance, do I have to pay both federal and state taxes?