A venereal sore is a lesion that appears on the genitals due to a sexually transmitted infection. It is important to know different synonyms associated with the term to understand the condition better. Some common synonyms for a venereal sore include genital ulcer, sexually transmitted ulcer, sexually acquired ulcer, genital sore, and sexually transmitted sore. Different STIs can cause these symptoms, including herpes, syphilis, and chancroid. The term 'venereal sore' is an outdated term that has been replaced by more accurate and specific terms, which provide more information about the cause and nature of the condition.