Aids is related to Disease. Disease is the opposite of Healthy. Living can be used for Healthy. 
Work is related to Department. Department is related to Depart. Depart is a synonym of Vary. 
Aids <--RelatedTo--> Disease <--Antonym--> Healthy <--UsedFor-- Living 
Work <--RelatedTo--> Department <--RelatedTo--> Depart <--Synonym--> Vary 