Answer:
Primary data is the type of data that is collected by researchers directly from main sources while secondary data is the data that has already been collected through primary sources and made readily available for researchers to use for their own research.
Suffix is just a smaller part of an affix, so we need to find a word that is a part of a larger group in order to complete this analogy correctly.
The correct answer is dialect:language.
That the colonists have gone mad/insane/crazy/foolish.