The word "Reptatory" is not a commonly used term, but it is a valid word in English. Its pronunciation is /rɛp.tə.tɔːr.i/, and it refers to something that is crawling or creeping. The spelling of this word comes from the root word "reptile," which means a creeping or crawling animal. The addition of the suffix "-tory" changes the root word's meaning to one that denotes action or location. Therefore, the spelling of "reptatory" accurately represents the word's meaning and etymology.