Arvi sits next to 3 phonetic neighbors — Arvo, Arvid, and Marvi are the closest matches by sound. Most share Arvi's Proto-Germanic/Nordic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"eagle friend, noble friend"
"golden, gilded"
"In Japanese: gentle and elegant (侑雅) or brave and refined (勇雅)"
"exclamation of wonder, surprise, or realization"
"one of the Vandal people"
"character, virtuous disposition"
"from Laurentum; crowned with laurel"
"hammer, mallet"
"fairy maiden, elf"
"garden enclosure"
"elevated, lofty"
"river crossing dweller"
"flowering, flourishing"
"a plaything, a source of joy"
"son of Jack, God is gracious"
"oarsman; one who rows"
"Wise, skillful, knowing; one who is learned"
"defender of men; little saint"
Similar sound: These names share phonetic patterns with Arvi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Proto-Germanic/Nordic origins, giving them the same cultural heritage as Arvi.
Rhythm: Arvi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.