Vocabulary consisting only from characters you are able to read
老化
rouka
ageing, aging, senile deteriorationsuru
見つける
micukeru
(1)to discover, to find (e.g. an error in a book), to come across, to detect, to spot, (2)to locate, to find (e.g. something missing), to find fault, (3)to be used to seeing, to be familiar with ichidan, jlpt3, jlpt4, verb, vtrans
夫妻
fusai
man and wife, married couplemix