Trauma is a synonym of Injury. Injury is related to Break. Break is a synonym of Split. 
Apply is a type of Refer. Refer is related to Mention. Mention is related to Speak. Speak is related to State. 
Trauma <--Synonym--> Injury <--RelatedTo--> Break <--Synonym--> Split 
Apply --IsA--> Refer <--RelatedTo--> Mention <--RelatedTo--> Speak <--RelatedTo--> State 