oiceless fricatives that followed an unstressed syllable and were surrounded by voiced sounds shifted further to become the voiced fricatives, //, and /g/. Oddly, Verner's Law also appeared to apply to the voiceless alveolar fricative /s/, which shifted to /z/. In all West Germanic languages, of which English is one, the // shifted again to /d/ and the /z/ shifted (by a process known as rhoticism) to /r/....
