Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hygiene

2 senses of hygiene

Sense 1
hygiene -- (a condition promoting sanitary practices; "personal hygiene")
       => sanitariness -- (the state of being conducive to health)

Sense 2
hygiene, hygienics -- (the science concerned with the prevention of illness and maintenance of health)
       => medicine, medical specialty -- (the branches of medical science that deal with nonsurgical techniques)