Yaindhi sits next to 3 phonetic neighbors — Yandhi, Yaindy, and Yandy are the closest matches by sound. Most share Yaindhi's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"possibly related to five (ainthu) in Tamil, or a leader"
"victory of the divine"
"desire, wish, aspiration"
"auspicious one, blessed by Lakshmi"
"royal, majestic"
"tranquil, peaceful"
"beautiful as a fish's eyes, divine beauty"
"spiritual accomplishment, supernatural power"
"play, sport, amusement"
"unique, without equal"
"water nymph"
"bearing, supporting"
"swift moving river"
"victory, triumph"
"form of Goddess Parvati"
Similar sound: These names share phonetic patterns with Yaindhi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Tamil Dravidian origins, giving them the same cultural heritage as Yaindhi.
Rhythm: Yaindhi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.