Fade is a synonym of Diminish. Diminish is a synonym of Decline. Decline is related to Slope. Slope is related to Resort. 
Ocean is related to Planet. Planet is related to Alien. 
Fade <--Synonym--> Diminish <--Synonym--> Decline <--RelatedTo--> Slope <--RelatedTo--> Resort 
Ocean <--RelatedTo--> Planet <--RelatedTo--> Alien 