Echo is a synonym of Repeat. Quote is a type of Repeat. 
Convince is a synonym of Convert. Convert is a type of Person. Person is related to Woman. Woman is related to Doll. 
Echo <--Synonym--> Repeat <--IsA-- Quote 
Convince <--Synonym--> Convert --IsA--> Person <--RelatedTo--> Woman <--RelatedTo--> Doll 