Sand is related to Terrain. Terrain is related to Mountain. Mountain is related to View. Viewer is derived from View. 
Emotional is related to Sentiment. Sentiment is related to Mood. Mood is etymologically related to Mode. Modify is etymologically related to Mode. 
Sand <--RelatedTo--> Terrain <--RelatedTo--> Mountain <--RelatedTo--> View <--DerivedFrom-- Viewer 
Emotional <--RelatedTo--> Sentiment <--RelatedTo--> Mood --EtymologicallyRelatedTo--> Mode <--EtymologicallyRelatedTo-- Modify 