Vocabulary consisting only from characters you are able to read
手がかり
tegakari
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
国字
kokudži
(1)country's official writing system, native script, (2)kana, (3)kanji that originated in Japan (as opposed to China) bunpou
耳にする
miminisuru
to hear, to hear by chance, to hear by accident, to catch (the sound)suru