This is the 39th most frequent Hindi word.
स
The Hindi word "स" is a preposition meaning "with" or "along with" in English.
Here, 'स' acts as a prefix in 'सन्तोष', denoting completeness or wholeness.
सूरज सन्तोष लेकर आता है।
The sun brings satisfaction.
Here, 'स' is part of the object of the sentence and represents a symbolic or literal initiation.
वह पूजा स आरम्भ करता है।
He begins the worship with the 'स'.
Here, 'स' mimics the sound being described, representing onomatopoeia.