Arachibutyrophobia is a rare word, which refers to the fear of peanut butter sticking to the roof of one's mouth. There are several synonyms for this phobia, including peanut butter phobia, nut butter phobia, and PB&J anxiety. Apart from these, other related terms can also be used to describe this fear, such as the fear of choking, the fear of suffocation, and the fear of sticky substances. Although not as widely known as some other phobias, arachibutyrophobia can still be a debilitating and distressing condition for those who suffer from it. Seeking support from a mental health professional can be helpful in managing this fear.