科学【かがく】
science
教科書【きょうかしょ】
textbook, coursebook, schoolbook
学科【がっか】
study subject, course of study, department (university, etc.)
外科【げか】
surgery (branch of medicine), department of surgery
科目【かもく】
(school) subject, curriculum, course, item, heading, entry
科学者【かがくしゃ】
scientist
理科【りか】
science (inc. mathematics, medicine, etc.), natural science, science department (university), science course, science (as a school subject)
内科【ないか】
internal medicine, department of internal medicine
科【か】
department, section, faculty, school, arm, course (of study), branch of study, specialization, (taxonomical) family
歯科【しか】
dentistry
産婦人科【さんふじんか】
maternity and gynaecology department (gynecology), department of obstetrics and gynaecology (gynecology)
小児科【しょうにか】
pediatrics
社会科学【しゃかいかがく】
social science
自然科学【しぜんかがく】
natural science
歯科医【しかい】
dentist
文科【ぶんか】
humanities, liberal arts, social science, literary course, department of literature
眼科【がんか】
ophthalmology
百科事典【ひゃっかじてん】
encyclopedia, encyclopaedia
整形外科【せいけいげか】
orthopedic surgery, orthopaedic surgery, orthopedics, orthopaedics, plastic surgery, cosmetic surgery
選択科目【せんたくかもく】
elective subject or course