Add "sanitisation" / "sanitization"

[DimitriPapadopoulos]

In more common use, perhaps due to the epidemic and regulatory rules (for example data sanitization regulations).

From the Google Books Ngram database:

• https://books.google.com/ngrams/graph?content=sanitisation%2Csanitization&year_start=1800&year_end=2019&corpus=en-2019
• http://app.aspell.net/lookup-freq?words=sanitisation%0D%0Asanitization;also=similar;parm=full