geminated

(verb) form by reduplication. Synonyms: reduplicate, geminate. Examples: "The consonant reduplicates after a short vowel." "The morpheme can be reduplicated to emphasize the meaning of the word."

(verb) occur in pairs. Synonyms: pair, geminate.

(verb) arrange in pairs. Synonyms: pair, geminate. Example: "Pair these numbers."

(verb) arrange or combine in pairs. Synonyms: geminate. Example: "The consonants are geminated in these words."