Ina sits next to 4 phonetic neighbors — Nina, Tina, and Lena are the closest matches by sound. Most share Ina's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pure, holy (Latin diminutive suffix used as name)"
"land surrounded by water"
"horn (from Cornelia)"
"golden ruler"
"upper class landowners (social class)"
"night, darkness"
"air, atmosphere, breeze"
"wealthy"
"of the clan of Bricius"
"king's meadow, royal clearing"
"blooming, young green shoot"
"fair, lovely"
"whole, universal"
"of the lake, water"
"southern town, southern settlement"
"son of the fair champion"
"grace and devotion to God (Anna + Elisa)"
"strong and hardy"
"safe place"
"full of life and energy"
"grace, kindness"
Similar sound: These names share phonetic patterns with Ina — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Ina.
Rhythm: Ina is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.