General Numbers:
* एका (ekā) - This is the most common way to say "one" in Sanskrit. It's used for feminine nouns.
* एकः (ekaḥ) - This is the masculine form of "one".
* एकम् (ekam) - This is the neuter form of "one".
Specific uses:
* अन्य (anya) - This word means "other" or "another," but it can also be used to mean "one" in some contexts, particularly when referring to a single item among multiple others.
* एकाकी (ekāki) - This word means "alone" or "solitary," implying a single entity.
The choice of which word to use depends on the gender of the noun being modified and the context of the sentence.