Worry is related to Anxiety. Anxiety is related to Suffer. 
Sword is related to Fish. Fish is related to Creature. Creature is related to Giant. Giant is related to Monster. 
Worry <--RelatedTo--> Anxiety <--RelatedTo--> Suffer 
Sword <--RelatedTo--> Fish <--RelatedTo--> Creature <--RelatedTo--> Giant <--RelatedTo--> Monster 