Shove is the opposite of Pull. Pull is related to Shade. Shade is related to Window. Window is related to Surface. 
Essential is related to Need. Need is related to Bone. 
Shove <--Antonym--> Pull <--RelatedTo--> Shade <--RelatedTo--> Window <--RelatedTo--> Surface 
Essential <--RelatedTo--> Need <--RelatedTo--> Bone 