Brave is related to Bold. Bold is etymologically related to Build. Tile can be used for Build. 
Rocket is related to Sky. you are likely to find Storm in/at/on Sky. Storm is a type of Blow. Blow is a synonym of Boast. 
Brave <--RelatedTo--> Bold --EtymologicallyRelatedTo--> Build <--UsedFor-- Tile 
Rocket <--RelatedTo--> Sky <--AtLocation-- Storm --IsA--> Blow <--Synonym--> Boast 