Hot is related to Burn. Burn is related to Fire. Fire is a different concept from Water. 
Uncertainty is a synonym of Doubt. Doubt is a different concept from Believe. Believe is related to Action. Action is related to Travel. 
Hot <--RelatedTo--> Burn <--RelatedTo--> Fire <--DistinctFrom--> Water 
Uncertainty <--Synonym--> Doubt <--DistinctFrom--> Believe <--RelatedTo--> Action <--RelatedTo--> Travel 