Pole is a type of European. Pole is the opposite of Root. Root is related to Science. Science is related to Course. 
Derive is a synonym of Come. Basis is etymologically related to Come. Basis is a type of Assumption. Position is a type of Assumption. 
European <--IsA-- Pole <--Antonym--> Root <--RelatedTo--> Science <--RelatedTo--> Course 
Derive <--Synonym--> Come <--EtymologicallyRelatedTo-- Basis --IsA--> Assumption <--IsA-- Position 