You searched for: “verbophobia
verbophobia (s) (noun) (no plural)
1. A dislike of hearing certain words: James has a verbophobia that someone will criticize him for his politically positive opinions of President Trump.
2. Someone who is abnormally afraid to speak or who has an excessive hatred of speaking: Paul's verbophobia is based on the fact that he often stutters or stammers when he is trying to express himself.