Geminating is a term used to describe a phenomenon in linguistics where a consonant sound is doubled. However, there are various ways to express the same concept using synonyms. For example, you could use the word "doubling" to describe the doubling of a consonant sound. Alternatively, the word "reduplication" could be used, which is often used to refer to the repetition of a word or phrase. The verb "repeating" could also be used to indicate the act of duplicating a consonant sound. Other synonyms for geminating include "reiterating," "echoing," and "doubling up." By using these different synonyms, you can add variety to your language and avoid repeating the same words over and over again.