Vocabulary consisting only from characters you are able to read
直ぐに
すぐに
(uk) instantly, immediatelyjlpt3
口語
こうご
(1)spoken language, (2)literary style based on (modern) spoken language bunpou
分野
ぶんや
field, sphere, realm, division, branchmix
細い
ほそい
(1)thin/slender/fine/ (2)(sl) unlucky (billiards slang)/(P) adj, jlpt5, leda1
切線
せっせん
tangent (in trigonometry)mix
乗用車
じょうようしゃ
passenger vehicle, automobile