Vocabulary consisting only from characters you are able to read
年金
ねんきん
annuity, pensionmix
分の
ぶんの
denominator bun no numerator (in writing common fractions), X Yth's (Y bun no X)jlpt3, math
中年
ちゅうねん
middle-age, middle age, midlife, one's middle yearsmix