The word "thoracogastrodidymus" is a mouthful to spell and pronounce. It is a combination of thoraco- (meaning chest), gastro- (meaning stomach), and didymus (meaning twin). In IPA phonetic transcription, it would be spelled as [θɔːrəkəʊˌɡæstrəʊdɪdɪməs], making it clear which syllables have long vowels or emphasis. This term is not commonly used in everyday conversation, but it may be useful in medical or anatomy terminology. Overall, it is an example of how complex compound words can be in technical contexts.
A twin monster with fused abdomen and thorax.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.