Sarayu sits next to 4 phonetic neighbors — Sara, Sarai, and Saryu are the closest matches by sound. Most share Sarayu's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"swift moving river"
"my father (reference to God)"
"she who grounds and nurtures"
"one who brings auspiciousness"
"dolphin, sea creature"
"auspicious one, blessed by Lakshmi"
"divine feminine energy"
"bearing, supporting"
"splendor, shine"
"victory, triumph"
"crown"
"desire, wish, aspiration"
"spiritual accomplishment, supernatural power"
"victorious, triumphant"
"divine play, joyful activity"
"beloved, dearest one"
"fish-eyed (one with beautiful, long, curved eyes)"
"earth, the great one"
Similar sound: These names share phonetic patterns with Sarayu — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Sarayu.
Rhythm: Sarayu is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.