Tarpalins have gone away too, now its tarps.

Auto's (rare) but more common than automobiles.

Bicylces have given way to bikes.

In a snap, Photographs became photo's (mostly digital images now, but still called photo's.

Long, long ago, there were preamblulators. (a vehicle for babies when there were still pre-ambulatory) they became prams...
(but strollers, still exist i thing nowdays more often known by brand names!)