Blue is the opposite of Profession. Profession is related to Career. 
Combined is derived from Combine. Combine is a synonym of Join. Join is related to Action. Action is related to Reduce. 
Blue <--Antonym--> Profession <--RelatedTo--> Career 
Combined --DerivedFrom--> Combine <--Synonym--> Join <--RelatedTo--> Action <--RelatedTo--> Reduce 