“Four factors are found to be significant predictors of the position of primary stress: endings, word complexity, the segmental structure of the final syllable, and syllable count. Moreover, this study confirms previous observations on the tendency for American English to have more final stress in French loanwords than British English.”
Dabouis, Q. and Fournier, P. (2024) ‘Stress in French loanwords in British and American English’, Journal of Linguistics, pp. 1–26. doi: https://doi.org/10.1017/S0022226724000136.