Speech is related to Discourse. Discourse is a synonym of Discuss. Discuss is related to Debate. Debate is related to Election. 
Modify is related to Fix. Fix is a synonym of Mess. Mess is the opposite of Organization. Organization is related to Company. 
Speech <--RelatedTo--> Discourse <--Synonym--> Discuss <--RelatedTo--> Debate <--RelatedTo--> Election 
Modify <--RelatedTo--> Fix <--Synonym--> Mess <--Antonym--> Organization <--RelatedTo--> Company 