A companion or fellow

साथी

English Usage: He considered his commate as a brother.

Hindi Usage: उसने अपने साथी को भाई माना।

To share or be a companion to something

साझा करना

English Usage: They decided to commate their resources for the project.

Hindi Usage: उन्होंने परियोजना के लिए अपने संसाधनों को साझा करने का निर्णय लिया।