As verbs the difference between prewashed and prewashes
is that prewashed is past tense of prewash while prewashes is third-person singular of prewash.
As a noun prewashes is
plural of lang=en.
prewashed
English
Verb
(head)
(prewash)
prewash
English
Noun
(es)
A quick rinse given to objects before they are washed properly.
Verb
(es)
To rinse something before washing it properly.
prewashes
English
Noun
(head)
Verb
(head)
(prewash)