Synonym and other compound words among these 185 words , a hypothesis is put forward that one of these two types predated the other , and the wider implications of this hypothesis on lexical stratification are explored with respect to early sino - tai language contact 本文就其中1 8 5个多音节词分析出数量相若的两种词组: ( 1 )泰语汉语与( 2 )汉语泰语,其中有近义词组,亦有偏正与并列词组。