Anxious is etymologically related to Anger. Anxious is a synonym of Troubled. Troubled is similar to Careful. Careful is related to Gentle. 
Strike is a type of Pitch. Butt is a type of Strike. Butt is a type of Put. Put is related to Insert. 
Anger <--EtymologicallyRelatedTo-- Anxious <--Synonym--> Troubled <--SimilarTo--> Careful <--RelatedTo--> Gentle 
Pitch <--IsA-- Strike <--IsA-- Butt --IsA--> Put <--RelatedTo--> Insert 