buy 5608 # oneomai {o-neh'-om-ahee}; middle voice from an 
apparently primary onos (a sum or price); to purchase 
(synonymous with the earlier 4092): -- {buy}.[ql

 purchase 2932 # ktaomai {ktah'-om-ahee}; a primary verb; to get,
 i.e. acquire (by any means; own): -- obtain, possess, provide, 
{purchase}.[ql

 purchase 4046 # peripoieomai {per-ee-poy-eh'-om-ahee}; middle 
voice from 4012 and 4160; to make around oneself, i.e. acquire 
(buy): -- {purchase}.[ql