Odene sits next to 5 phonetic neighbors — Odeen, Ondine, and Nadine are the closest matches by sound. Most share Odene's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"poetry, song, fury"
"to gladden, make joyful"
"renowned fighter"
"grace, favor (from Hannah via Anne)"
"from Troy by the waterfall"
"yew tree"
"pledge, oath"
"one who busts, tough person"
"elf ruler (alternative folk etymology via Old English)"
"elf victory"
"variant of Chloe, blooming"
"hilltop town"
"hot furnace (possible Latin root calida fornax)"
Similar sound: These names share phonetic patterns with Odene — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Odene.
Rhythm: Odene is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.