Quick is related to Very. Very is related to Bear. Bear is related to Shit. 
Youth is a synonym of Youngster. Youngster is derived from Young. Young is related to Nest. 
Quick <--RelatedTo--> Very <--RelatedTo--> Bear <--RelatedTo--> Shit 
Youth <--Synonym--> Youngster --DerivedFrom--> Young <--RelatedTo--> Nest 