@OmSigDAVID,
Actually he does, Dave.
When compared to some other words taken from this thread that everyone would agree are also going strong but occupy the less frequent side of vocabulary, 'oftentimes' fares quite well.
exult - About 871,000 results
oftentimes- About 12,800,000 results
misperception - About 1,060,000 results
version - About 6,400,000,000 results
lamentable - About 2,980,000 results
consequences - About 268,000,000 results
There are lots of words that are going strong that come in lower in use than 'oftentimes'. Oftentimes, it sees little use, oftentimes it sees a greater use than other going strong words.
One of your favorite words, Dave, 'stipulate', comes in at,
stipulate - About 5,840,000 results