Prepare is related to Ready. Ready is a synonym of Fix. 
Southern is related to Comfort. Comfort is related to Emotion. Uncertainty is a type of Emotion. Uncertain is derived from Uncertainty. 
Prepare <--RelatedTo--> Ready <--Synonym--> Fix 
Southern <--RelatedTo--> Comfort <--RelatedTo--> Emotion <--IsA-- Uncertainty <--DerivedFrom-- Uncertain 