One always has to be thinking and paying attention when searching. It also helps to never assume anything.
Searches on FamilySearch with the “exact box” unchecked give the searcher a broad set of results, more results than if an exact search was conducted. The results from an “unexact” search are based upon variants of the name. Those variations are usually based on the letters in the name and how they sound, common transcription errors, etc.
Supposed to be.
While the numbers are close that’s only a coincidence. The results are different despite the fact that the names are extremely similar.
As an additional test, I searched one specific database in the same way and reached the same conclusion about how FamilySearch searched for Focke and Fokke with the unexact box unchecked. The same results did not come up.
One would think that an unexact search for on FamilySearch for Focke would bring about the same results as an unexact search for Fokke.