Lip is related to Upper. Upper is similar to High. High is related to Reach. Summit is a type of Reach. 
Form is a synonym of Strain. Strain is similar to Fatigue. 
Lip <--RelatedTo--> Upper <--SimilarTo--> High <--RelatedTo--> Reach <--IsA-- Summit 
Form <--Synonym--> Strain <--SimilarTo--> Fatigue 