Diary is similar to Log. Log is a synonym of Record. Record is related to Merit. Merchant is etymologically related to Merit. 
Ship is related to Enterprise. Enterprise is related to Corporation. Corporation is related to Institution. 
Diary <--SimilarTo--> Log <--Synonym--> Record <--RelatedTo--> Merit <--EtymologicallyRelatedTo-- Merchant 
Ship <--RelatedTo--> Enterprise <--RelatedTo--> Corporation <--RelatedTo--> Institution 