Heal is the opposite of Break. Break is related to Spring. Spring is a different concept from Summer. Summer is related to Soccer. 
Assistant is a synonym of Help. Help is related to Assist. 
Heal <--Antonym--> Break <--RelatedTo--> Spring <--DistinctFrom--> Summer <--RelatedTo--> Soccer 
Assistant <--Synonym--> Help <--RelatedTo--> Assist 