linguistics - the scientific study of language

duplicate, reduplicate, repeat, replicate, double - make or do or perform again; "He could never replicate his brilliant performance of the magic trick"

replicate, copy - biology: reproduce or make an exact copy of; "replicate the cell"; "copy the genetic information"

recapitulate - repeat stages of evolutionary development during the embryonic phase of life

geminate, reduplicate - form by reduplication; "The consonant reduplicates after a short vowel"; "The morpheme can be reduplicated to emphasize the meaning of the word"

reproduce - make a copy or equivalent of; "reproduce the painting"