Regard is a synonym of Think. Think is a synonym of Conceive. Perceive is etymologically related to Conceive. 
Drive is related to Gas. Gas is the opposite of Solid. 
Regard <--Synonym--> Think <--Synonym--> Conceive <--EtymologicallyRelatedTo-- Perceive 
Drive <--RelatedTo--> Gas <--Antonym--> Solid 