 Other examples such as "Sándi" “week, Sunday” conform more closely to Chinook Jargon phonology than to English phonology; compare Tlingit with CJ and American English – if borrowed directly from English the Tlingit form would approximate it more closely with or .Many derivations from Chinook Jargon account for what current Tlingit speakers consider to be opaque words that describe foreign concepts but which lack a clear English or Russian heritage.The opacity of these terms is because few speakers today have any familiarity with Chinook Jargon.