Bear is a synonym of Yield. Yield is a synonym of Abandon. Abandon is the opposite of Maintain. Maintain is a synonym of Sustain. 
Ceiling is related to Shelter. Shelter is related to Farm. 
Bear <--Synonym--> Yield <--Synonym--> Abandon <--Antonym--> Maintain <--Synonym--> Sustain 
Ceiling <--RelatedTo--> Shelter <--RelatedTo--> Farm 