Scramble is a type of Struggle. Struggle is a synonym of Contend. Contend is a synonym of Cope. 
Physical is related to Swim. Swim is related to Front. Front is related to Lip. Lip is related to Muscle. 
Scramble --IsA--> Struggle <--Synonym--> Contend <--Synonym--> Cope 
Physical <--RelatedTo--> Swim <--RelatedTo--> Front <--RelatedTo--> Lip <--RelatedTo--> Muscle 