中庸[chuuyou] middle way
凡庸[bonyou] mediocre
庸愚[yougu] mediocrity
庸人[youjin] common man
登庸[touyou] appointment

租庸調[soyouchou] corvee
庸君[youkun] stupid ruler
庸才[yousai] mediocre talent
凡庸愚昧[bonyougumai] ordinary and ignorant