object : disagree :: (a)   : agree

pain : hills :: (a)   : vertical

check : refrain :: (a)   : handcuff

bitter : taste :: (a)   : odor

buckle : collapse :: (a)   : surrender

sound : depth :: weigh : (a)  

spring : water :: volcano : (a)  

stagger : calm :: (a)   : reassure

deliberate : dismiss :: (a)   : scrutinize

plain : ambiguous :: (a)   : incoherent

content : complain :: (a)   : worry