1996
The later Roman name was a latinate form of the Brittonic word for " ramparts " ( cf. Gaelic " rath " and the nearby villages of Ratby and Ratcliffe The Celtic tribe holding the area was later recorded as the " Coritanians " but an inscription recovered in 1983 showed this to have been a corruption of the original " Corieltauvians " .
 Ratby, Ratcliffe, Coritanians, Corieltauvians
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ratby, Ratcliffe, Coritanians, Corieltauvians