Andi sits next to 4 phonetic neighbors — Andy, Andie, and Mandy are the closest matches by sound. Most share Andi's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"brave, strong, manly"
"defender of mankind"
"lake (suffix)"
"child of the moon"
"the great sea, vast waters"
"Christian woman"
"cassia tree, cinnamon spice"
"divine messenger"
"pure"
"grace and drop of the sea (Maria + Anna)"
"foreign woman, stranger"
"cherished, dear one"
"heavenly ocean, royal sea"
"sunny place, sunshine"
"goddess of flowers and spring"
"from the Isle of Skye"
"white shoulder (from Fionnuala)"
"modern invented name with -ley suffix"
"close to God, Yahweh has answered"
"reward, wages"
"ivy plant, climbing vine"
Similar sound: These names share phonetic patterns with Andi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Andi.
Rhythm: Andi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.