Appointment is a synonym of Command. Charge is a type of Command. Accusation is a type of Charge. Implication is a type of Accusation. 
Ghost is a synonym of Suggestion. Suggestion is related to Advise. 
Appointment <--Synonym--> Command <--IsA-- Charge <--IsA-- Accusation <--IsA-- Implication 
Ghost <--Synonym--> Suggestion <--RelatedTo--> Advise 