What are the best answers for “making something sanitary (free of germs) as by sterilizing”?

sanitation, sanitisation, sanitization.

How many letters does the top answer for “making something sanitary (free of germs) as by sterilizing” have?

The most common answer is sanitation (10 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

sanitation 10 letters wn-def

making something sanitary (free of germs) as by sterilizing

sanitisation 12 letters wn-def

making something sanitary (free of germs) as by sterilizing

sanitization 12 letters wn-def

making something sanitary (free of germs) as by sterilizing