language with a high morpheme-per-word ratio, as opposed to a low morpheme-per-word ratio in what is described as an analytic language
A synthetic language is a language that is characterized by denoting syntactic relationships between words via inflection or agglutination. Synthetic languages are statistically characterized by a higher morpheme-to-word ratio relative to analytic languages.
Fusional languages favor inflection and agglutinative languages favor agglutination. Further divisions include polysynthetic languages (most belonging to an agglutinative-polysynthetic subtype, although Navajo and other Athabaskan languages are often classified as belonging to a fusional subtype) and oligosynthetic languages (only found in constructed languages). In contrast, rule-wise, the analytic languages rely more on auxiliary verbs and word order to denote syntactic relationship between words.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).