Frank Mankiewicz, the coiner of the word "retronym", says of of his favorites is "two parent" this
[DOC] [TLE] The Pathfinder (The Leatherstocking Tales Book 3) - Lib [PAR] Sep 6, 2007 ... Retronym " is a notice coined by way of Frank Mankiewicz, George ... "analog 
watch," "natural turf," "two-parent family," and "offline publication.