Access is a synonym of Pass. Pass is a synonym of Toss. Toss is a synonym of Flip. Flip is related to Cell. 
Hear is a type of Perceive. Hear is related to Appear. Appear is the opposite of Vanish. 
Access <--Synonym--> Pass <--Synonym--> Toss <--Synonym--> Flip <--RelatedTo--> Cell 
Perceive <--IsA-- Hear <--RelatedTo--> Appear <--Antonym--> Vanish 