Vocabulary consisting only from characters you are able to read
知人
ちじん
friend, acquaintancemix
会計
かいけい
account, finance, accountant, treasurer, paymaster, reckoning, billmix
大半
たいはん
majority, mostly, generallymix
口語
こうご
(1)spoken language, (2)literary style based on (modern) spoken language bunpou