Trend is a synonym of Tendency. Tendency is a synonym of Direction. Direction is a synonym of Appointment. Appointment is related to Visit. 
Number is related to Double. Double is related to Figure. Figure is related to Female. Female is a synonym of Girlfriend. 
Trend <--Synonym--> Tendency <--Synonym--> Direction <--Synonym--> Appointment <--RelatedTo--> Visit 
Number <--RelatedTo--> Double <--RelatedTo--> Figure <--RelatedTo--> Female <--Synonym--> Girlfriend 