"Catheretic" is a rare and unusual word that is not commonly used in everyday language. Its spelling can be broken down using the International Phonetic Alphabet (IPA) as /kaθərɛtɪk/. The first syllable "ka" is pronounced as "kuh", followed by "θə" as "thuh". The "r" sound then leads into "ɛtɪk" which is pronounced as "eh-tik". This word is not commonly heard in everyday conversations, and it may require some practice to pronounce it correctly.