Here are some other words that can also be used depending on the context:
* કાર્ય (kary) - This word implies a more specific and important task, often with a larger goal in mind.
* કામગીરી (kaamgiri) - This word refers to a work or duty that needs to be done, often by a group of people.
* પ્રવૃત્તિ (pravritti) - This word is used for an activity or a specific job.
The best word to use will depend on the specific context of your sentence.