Coi sits next to 4 phonetic neighbors — Coy, Joy, and Koi are the closest matches by sound. Most share Coi's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"quiet, still"
"high tower, elevated"
"merciful, gracious"
"enduring inheritance, what is left behind"
"fire, strength"
"noble spear"
"land of the Britons"
"free one, from France"
"flower, blooming"
"she who weakened"
"inspired by Nevaeh (heaven reversed)"
"variant of Ailey, noble kind"
"pure, clear"
"God is gracious"
"pure, clear (from Katherine)"
"basement, storage room manager"
"industrious, hardworking"
"peak, highest point"
"dark, honey"
"noble power"
"blessing, abundance"
Similar sound: These names share phonetic patterns with Coi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French origins, giving them the same cultural heritage as Coi.
Rhythm: Coi is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.