Vocabulary consisting only from characters you are able to read
年金
ねんきん
annuity, pensionmix
子守
こもり
(1)babysitter/nursemaid/ (2)babysitting/(P) leda1, suru
内科
ないか
(1)internal medicine, i.e. treatment by medical procedures rather than surgical procedures, (2)department of internal medicine (hospital, etc.) byouki