Fromdos(“plural ofdo(“something that can or should be done”)”) +and +don’ts(“plural ofdon’t(“something that must or should not be done”)”).[1]
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The plural forms ofdo anddon’t are correctlydos anddon’ts respectively;do’s anddon’t’s are sometimes used for the sake of legibility, but are considered by some as incorrect.
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, Oxford:Oxford University Press, December 2024; “dos and don’ts,phrase” under “do,n.”, inLexico,Dictionary.com;Oxford University Press,2019–2022.