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"
"In Japanese: gentle and elegant (侑雅) or brave and refined (勇雅)"
"thatcher, roofer"
"wanderer"
"all, completely"
"sun, radiant light"
"warrior, army man"
"flowering, flourishing"
"exalted, noble, high"
"golden, gilded"
"moral principles, code of conduct"
"honey, sweet"
"Calm; composed; dignified; of great weight and gravitas"
"a plaything, a source of joy"
"from Laurentum; crowned with laurel"
"defender of men; little saint"
"garden enclosure"
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.