Fabric is related to Dress. Dress is related to Piece. Piece is related to Coin. 
Plain is a synonym of Apparent. Apparent is a synonym of Obvious. Obvious is a synonym of Appear. 
Fabric <--RelatedTo--> Dress <--RelatedTo--> Piece <--RelatedTo--> Coin 
Plain <--Synonym--> Apparent <--Synonym--> Obvious <--Synonym--> Appear 