Sky sits next to 4 phonetic neighbors — Skye, Skylar, and Skyler are the closest matches by sound. Most share Sky's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the sky, cloud"
"free woman"
"pure, clean"
"fiery, ardent"
"beloved, wished-for child"
"jasmine flower"
"God is just, my witness is God"
"pledged to God"
"dream, vision"
"mighty in battle"
"one who lives near the castle outer wall"
"lady, noblewoman"
"lily flower"
"oarsman, rower"
"Yahweh is God"
"my princess"
"quaking aspen tree"
"leaping water"
"defender of mankind"
"modesty, faithfulness (symbolic)"
"golden, of gold (d'or)"
Similar sound: These names share phonetic patterns with Sky — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse sky origins, giving them the same cultural heritage as Sky.
Rhythm: Sky is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.