Prominent is a synonym of Large. Large is similar to Significant. 
Rapid is related to Very. Very is related to Freeze. Freeze is a synonym of Hang. Hang is related to Neck. 
Prominent <--Synonym--> Large <--SimilarTo--> Significant 
Rapid <--RelatedTo--> Very <--RelatedTo--> Freeze <--Synonym--> Hang <--RelatedTo--> Neck 