Ishika sits next to 3 phonetic neighbors — Shika, Ishara, and Aisha are the closest matches by sound. Most share Ishika's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"paintbrush, drawing pen"
"beautiful second"
"splendid, radiant beauty"
"nation, community"
"eternal, undying"
"worthy, deserving of worship"
"rain, divine blessing"
"color of the rising sun"
"sapphire, precious blue gem"
"divine, heavenly, celestial"
"God is gracious"
"with divine blessing"
"golden"
Similar sound: These names share phonetic patterns with Ishika — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Ishika.
Rhythm: Ishika is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.