Swing is a type of Blow. Blow is etymologically related to Blue. 
Inquiry is related to Investigation. Investigation is related to Subject. Subject is related to Reply. Reply is related to Writing. 
Swing --IsA--> Blow --EtymologicallyRelatedTo--> Blue 
Inquiry <--RelatedTo--> Investigation <--RelatedTo--> Subject <--RelatedTo--> Reply <--RelatedTo--> Writing 