Vocabulary consisting only from characters you are able to read
切線
sessen
tangent (in trigonometry)mix
助成
džosei
assisting, assistance, fostering, aidingsuru
助ける
tasukeru
to help/to save/to rescue/to give relief to/to spare (life)/to reinforce/to promote/to abet/(P)ichidan, jlpt3, verb, vtrans
再入国
sainjuukoku
re-entry into a countrymix