Participate is etymologically related to Part. Part is related to Speaker. Speaker is related to Music. Music is related to Respect. 
Shock is related to Discovery. Discovery is related to Found. 
Participate --EtymologicallyRelatedTo--> Part <--RelatedTo--> Speaker <--RelatedTo--> Music <--RelatedTo--> Respect 
Shock <--RelatedTo--> Discovery <--RelatedTo--> Found 