科 か Meanings Noun, Noun suffix department (of a university or hospital) course (of study); branch of study; specialization family Kanji 科 subject. Read as カ. Words containing 科 科学 (かがく) science 科学者 (かがくしゃ) scientist 研究科 (けんきゅうか) postgraduate course And 839 more. Word lists JLPT N1 Core 5000 Encyclopedia Jinuma: Japanese Dictionary · Word lists