Geminates is a word that refers to the occurrence where two identical or similar sounds are found continuously in a word or syllable. Synonyms for this term include doubled, repeated, duplicated, reiterated, echoed, and re-echoed. Other synonyms for the word geminates include reduplicated, twinned, reproduced, replicated, and mirrored. These words convey the same meaning as geminates and can be used interchangeably in many situations. The use of synonyms can help to add variety and nuance to your writing, making it more interesting and engaging for your audience.