Frumi sits next to 4 phonetic neighbors — Fruma, Bloomi, and Chumi are the closest matches by sound. Most share Frumi's Yiddish/Middle High German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pious, devout, religiously observant"
"place of happiness"
"bracelet, ring"
"life, living"
"air, sky-like"
"thornbush clearing"
"lover, sweetheart"
"land of abundance"
"little sun, sunny"
"island meadow"
"little king, kingly (from Ryan)"
"small, little"
"friend; ally"
"bright, radiant"
"Variant of Theia; Greek Titan goddess of sight and the sky, mother ..."
Similar sound: These names share phonetic patterns with Frumi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Yiddish/Middle High German origins, giving them the same cultural heritage as Frumi.
Rhythm: Frumi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.