Ill is related to Pale. Pale is related to Very. Very is related to Intense. Intense is similar to Overwhelming. 
Close is similar to Private. Privacy is derived from Private. Privacy is a type of Isolation. 
Ill <--RelatedTo--> Pale <--RelatedTo--> Very <--RelatedTo--> Intense <--SimilarTo--> Overwhelming 
Close <--SimilarTo--> Private <--DerivedFrom-- Privacy --IsA--> Isolation 