Cross is related to Shape. Shape is the opposite of Size. Size is related to Regular. Regular is similar to Frequent. 
Foreigner is a synonym of Alien. Alien is the opposite of Native. Native is related to Language. 
Cross <--RelatedTo--> Shape <--Antonym--> Size <--RelatedTo--> Regular <--SimilarTo--> Frequent 
Foreigner <--Synonym--> Alien <--Antonym--> Native <--RelatedTo--> Language 