As verbs the difference between deduped and dedupes
is that deduped is past tense of dedupe while dedupes is third-person singular of dedupe.
deduped
English
Verb
(head)
(dedupe) dedupe
English
Noun
(-)
(informal) deduplication
Verb
(dedup)
(informal) deduplicate dedupes
English
Verb
(head)
(dedupe)