Vocabulary consisting only from characters you are able to read
切線
sessen
tangent (in trigonometry)mix
倒産
tousan
(corporate) bankruptcy, insolvency, commercial failure, failed businessjlpt3, mix
伝記
denki
biography, life storymix
普段な
fudan na
great effort, exertion, endeavour, endeavor, effortsuru
落下
rakka
fall, drop, come downsuru
同窓会
dousoukai
graduate's association, alumni meeting, class reunion
前歯
maeba
front tooth; front toothmix