Darling sits next to 4 phonetic neighbors — Darlin, Marlene, and Sterling are the closest matches by sound. Most share Darling's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little dear, most precious"
"love + lake (compound)"
"pure"
"bitter grace"
"son of Carr, child of the marsh"
"foreign woman, stranger"
"exalted, high"
"superior, one who rules"
"noble, of noble kind"
"bare moor, headland"
"burnt wine (the spirit)"
"creative American coinage blending lyrical sounds"
"life, living one"
"pointed projectile; symbol of direction and purpose"
"member of the Gauts tribe"
"pearl; precious gem"
"variant of Brielle (place name / short for Gabrielle)"
"bright, shining light"
"creative blend name"
"lake/waterfall (from -lynn)"
"sunrise, the east"
Similar sound: These names share phonetic patterns with Darling — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Darling.
Rhythm: Darling is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.