Aunt is part of Family. Family is related to Son. Son is related to Relation. 
Dump is a synonym of Lose. Lose is related to Missing. Missing is related to Lack. Lack is a different concept from Present. 
Aunt --PartOf--> Family <--RelatedTo--> Son <--RelatedTo--> Relation 
Dump <--Synonym--> Lose <--RelatedTo--> Missing <--RelatedTo--> Lack <--DistinctFrom--> Present 