Fit is related to Issue. Issue is related to Discussion. Discussion is related to Debate. Debate is a synonym of Discourse. 
Sophisticated is a synonym of Advanced. Advanced is similar to High. Hip is etymologically related to High. 
Fit <--RelatedTo--> Issue <--RelatedTo--> Discussion <--RelatedTo--> Debate <--Synonym--> Discourse 
Sophisticated <--Synonym--> Advanced <--SimilarTo--> High <--EtymologicallyRelatedTo-- Hip 