Swell is a type of Increase. Increase is related to Pay. Pay is related to Work. 
Sense is related to Feel. Feel is related to Heart. Heart is related to Red. Red is related to Heat. 
Swell --IsA--> Increase <--RelatedTo--> Pay <--RelatedTo--> Work 
Sense <--RelatedTo--> Feel <--RelatedTo--> Heart <--RelatedTo--> Red <--RelatedTo--> Heat 