Genus Trichomonas is a group of flagellated protozoan parasites that cause various diseases in animals and humans. Some of the synonyms for Genus Trichomonas include Trichomonadida, Trichomonad, Trichomoniasis, and Trichomonosis. Trichomonadida refers to the order of the protozoan parasites that belong to Genus Trichomonas. Trichomonad is a general term used to describe any protozoan parasite that has flagella. Trichomoniasis refers to the infection caused by organisms in Genus Trichomonas, and Trichomonosis is an earlier term for trichomoniasis. These synonyms are used in scientific research and medical practice to describe the various aspects of this important group of parasites.