Go is a synonym of Fail. Fail is the opposite of Attempt. Attempt is a synonym of Undertake. Undertake is a synonym of Tackle. 
Eat is related to Wood. Floor is made of Wood. 
Go <--Synonym--> Fail <--Antonym--> Attempt <--Synonym--> Undertake <--Synonym--> Tackle 
Eat <--RelatedTo--> Wood <--MadeOf-- Floor 