Davin sits next to 3 phonetic neighbors — Devin, Gavin, and Davin are the closest matches by sound. Most share Davin's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beloved, darling"
"son of Tay"
"pure, innocent, clean"
"hill, marshland"
"leopard, swift and fierce"
"Geirrapos island, grassy island"
"modern elaboration of Omari"
"second of twins"
"aromatic spice from nutmeg"
"dark, dark-featured"
"dweller by the mills, mill worker"
"hollow, small cavity"
"of uncertain meaning, possibly healer"
"army man, soldier"
"peaceful ruler, peaceful power"
"adult male deer, stag"
"twin"
"light-bearer, bringer of light"
"little slender one"
"the koa tree (strength)"
"lake of the sage Kashyapa (Sanskrit etymology)"
Similar sound: These names share phonetic patterns with Davin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew David origins, giving them the same cultural heritage as Davin.
Rhythm: Davin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.