健康【けんこう】
health, healthy, sound, fit, wholesome
保健【ほけん】
preservation of health, hygiene, sanitation, health education (school subject)
健全【けんぜん】
healthy, sound, wholesome
穏健【おんけん】
quiet, dependable, uniform, (politically) moderate
健在【けんざい】
in good health, alive and well, going strong
健やか【すこやか】
vigorous, healthy, sound
不健康【ふけんこう】
poor health, ill health, unhealthy
剛健【ごうけん】
vigour, vigor, virility, health, sturdiness