Vocabulary consisting only from characters you are able to read
猫背
nekoze
bent back, hunchback, stoopmix
験算
kenzan
verification of accounts, checking figures, arithmetic checksuru
汚す
yogosu
(1)to pollute/to contaminate/to soil/to make dirty/to stain/ (2)to disgrace/to dishonour/to dishonor/to defile/(P) godan, jlpt3, verb, vtrans