Payment is related to Weekly. Weekly is related to Grass. Grass is related to Short. Short is a synonym of Flat. 
Await is a synonym of Listen. Listen is a synonym of Expect. Expect is related to Wait. 
Payment <--RelatedTo--> Weekly <--RelatedTo--> Grass <--RelatedTo--> Short <--Synonym--> Flat 
Await <--Synonym--> Listen <--Synonym--> Expect <--RelatedTo--> Wait 