Accusation is related to Blame. Blame is related to Fault. Fault is related to Spark. 
Recall is a synonym of Think. Suspect is a type of Think. Suspect is a synonym of Doubt. 
Accusation <--RelatedTo--> Blame <--RelatedTo--> Fault <--RelatedTo--> Spark 
Recall <--Synonym--> Think <--IsA-- Suspect <--Synonym--> Doubt 