Haplologize

In neither instance is more than one possessive s manifested (*McMug's's); the predicted two suffixes ''haplologize to a single instance of s.

De Lacy admits that "[coalescence] does not make any prediction about the preservation of features when two affixes haplologize."

A number of IE languages show a tendency to haplologize sequences of the type *-sVs- to *-s-,

For example, if the word haplology were to undergo haplology (were to be haplologized), it would reduce the sequence lolo to lo, haplology > haplogy.