Word and Sounds in Early Language Acquisition: English Initial Consonants in the First Fifty Words -- Rule Reordering and Lexical Diffusion -- Tone Change in Chao-zhou Chinese: A Study in Lexical Diffusion -- Doc, 197 : A Chinese Dialect Dictionary on Computer -- Sound Change, Homophony, and Lexical Diffusion -- Lexical Diffusion: Evidence from Child Language Acquisition -- Implementation of Phonological Change: The Shuāng- fēng Chinese Case -- A New Method of Dialect Subgrouping -- The Time Dimension: Contribution Toward a Theory of Sound Change -- Reversed Lexical Diffusion and Lexical Split: Loss of -d in Stockholm -- Nootkan Glottalized Resonants in Nitinat: A Case of Lexical Diffusion.