Frequency is the opposite of Period. Period is a synonym of Interval. Interval is a synonym of Season. Season is related to Weather. 
Urge is a type of Advise. Advise is related to Suggestion. 
Frequency <--Antonym--> Period <--Synonym--> Interval <--Synonym--> Season <--RelatedTo--> Weather 
Urge --IsA--> Advise <--RelatedTo--> Suggestion 