query stieber law may would like repeat query posted time ago received responses anybody know first proposed analogical change introduce new phonemic contrasts language earliest reference found paper z stieber written polish 1930 think must go back receive one response harry bochner regarding possible counterexamples namely assumed glottalized navaho always analogical origin numerous claimed examples literature appear quite spurious e g ukrainian belorussian dzh voiced alveolopalatal affricate mentioned jakobson certain umlauted vowels swiss german mentioned moulton kiparsky