Malabar script is very similar to Malayalam script. However, some letters have different pronunciation. For example, വ (ba) in Malabar script is വ (va) in Malayalam script.
Chatonnet, F. B.; Desreumaux, A. (2010-06-29). "A Study and Characterization of the Syro-Malabar Script". Journal of Semitic Studies. 55 (2): 407–421. doi:10.1093/jss/fgq006. ISSN 0022-4480. https://doi.org/10.1093/jss/fgq006 ↩