Linwu dialect is the local language of Linwu County and its surrounding areas in Hunan Province, and it is a branch of the south-central part of Hunan dialect. If you want to find a dialect similar to Linwu dialect, you can consider finding a dialect related to or similar to the south-central Hunan dialect. Some dialects that may be similar to Linwu dialect include:

Dialects of Yueyang City and Yiyang City in Hunan Province, such as Yueyang dialect, Taojiang dialect and Anhua dialect.

Dialects in Loudi City, Hunan Province, such as Lianyuan dialect and Lengshuijiang dialect.

Gannan dialects, such as Ruijin dialect and Xingguo dialect.

Dialects in Nanning, Guangxi Zhuang Autonomous Region, such as Yongjiang.

It should be noted that the similarities between these dialects and Linwu dialect are not exactly the same, because different dialects are still different in pronunciation, vocabulary and grammar rules, but they may have some common characteristics or commonalities.