Sandy sits next to 4 phonetic neighbors — Sandra, Cassandra, and Mandy are the closest matches by sound. Most share Sandy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"defender of men"
"from the city of Savannah"
"blooming, flourishing"
"son of Jens, God is gracious"
"victory of the people"
"adornment, ornament"
"helper, cushion"
"orchid flower"
"lake, pool"
"June, sixth month"
"modern coined name"
"Christian woman"
"fairy queen, princess"
"consecrated, sacred"
"optimistic, bright, hopeful"
"lily flower"
"beloved, gift"
"dahlia flower"
"follower of Christ"
"foreign woman, stranger"
"famous joy"
Similar sound: These names share phonetic patterns with Sandy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Sandy.
Rhythm: Sandy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.