Trust is a type of Permit. Permit is a synonym of License. Driving requires License. Driving can be Fun. 
Frustration is a type of Disappointment. Disappointment is related to Regret. 
Trust --IsA--> Permit <--Synonym--> License <--HasPrerequisite-- Driving --HasProperty--> Fun 
Frustration --IsA--> Disappointment <--RelatedTo--> Regret 