Vocabulary What does ~科 (~か) mean? ~科 (~か, ~ka) means department, field, subject (suffix). Quick factsReading~かRomaji~kaLevel (estimated, JLPT framework)N2 ~科~かN2 · estimated, JLPT framework~kadepartment, field, subject (suffix)Example sentences息子(むすこ)は理科(りか)が好(す)きです。My son likes science.母(はは)は内科(ないか)で働(はたら)いています。My mother works in the internal medicine department.Kanji in this word科department, field; subject