Vocabulary consisting only from characters you are able to read
年金
ねんきん
annuity, pensionmix
忍び
しのび
(1)stealth, (2)(abbr) travelling incognito (traveling), (3)(abbr) ninjutsu, (4)(abbr) ninja, (5)sneak theft, sneak thief, (6)tolerance mix
金山
きんざん
(gold) mine; (gold) minemix