Zero is believed to be discovered in India. It has a very significant place in spirituality, as it represents the ultimate nothingness–the absolute identity which is without any negative or positive. In English language, some of the synonyms include cipher and naught.
You can use any of them depending upon your liking, and often contextually. I have provided the transliteration of the names too so that you can pronounce it correctly if you are not learned in Devnagiri script.
Some Recommended books for studying Sanskrit:
If you have any question, feedback or suggestion regarding this, you can write to us through the comment section.