Frankensteins refer to creations or inventions that are made by combining different parts, materials, or concepts. The antonyms for this word would be words that indicate originality, simplicity, and the absence of any combination or synthesis. Such antonyms could include words like original, unique, singular, natural, and uncombined. These words imply that something is not made up of disparate elements but is rather simple, organic, and understandable on its own terms. By using these antonyms, we can highlight the difference between complex, artificial creations like Frankensteins and more natural, spontaneous phenomena that exist on their own terms.