Here are some other words that can be used depending on the context:
* പരിചയം (parichayam) - This means "acquaintance" or "familiarity" and can also be used to refer to identity in the sense of being known or recognized.
* പേര് (peer) - This means "name" and can be used to refer to identity in the sense of being named or labelled.
* സ്വഭാവം (svabhavam) - This means "nature" or "character" and can be used to refer to identity in the sense of personality or inherent qualities.
The best word to use will depend on the specific context of the sentence.