Permission is related to Let. Let is the opposite of Stop. Stop is related to Yield. Yield is a synonym of Earn. 
Carpet is related to Ground. Ground is related to Starting. Starting is related to Prevent. Prevent is the opposite of Allow. 
Permission <--RelatedTo--> Let <--Antonym--> Stop <--RelatedTo--> Yield <--Synonym--> Earn 
Carpet <--RelatedTo--> Ground <--RelatedTo--> Starting <--RelatedTo--> Prevent <--Antonym--> Allow 