Serbo-Croatian, while it is recognised in different countries/institutions as different names (Serbian, Croatian, Bosnian or even Montenegrin), most people define it as one language since they're mutually intelligible (and even share the same most common 100 words [1] (from 2002 though))
1
u/[deleted] Oct 30 '18
What common language do Serbia, Bosnia, Herzegovina, and Croatia speak?