Audrene sits next to 3 phonetic neighbors — Audrey, Audra, and Nadine are the closest matches by sound. Most share Audrene's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noble strength (via Audrey root)"
"free woman"
"spear ruler"
"alder tree grove (from Gaulish via Vernon)"
"noble, patrician"
"rounded growth on tree, knotty wood"
"dear friend"
"little warrior, dedicated to Mars"
"shining bright, torch (from Elaine/Helen)"
"lilac, bluish"
"settlement of Beorhtel people (Burlington origin)"
"God is gracious"
"God will increase; from a wooded valley"
"Variant of Joan/Joanne, from Hebrew Yohanan meaning God is gracious..."
"elf counsel (via Alfrid)"
"little joy, dear song"
Similar sound: These names share phonetic patterns with Audrene — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Audrene.
Rhythm: Audrene is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.