Verlen sits next to 5 phonetic neighbors — Verlene, Verna, and Merle are the closest matches by sound. Most share Verlen's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"alder tree grove (from Gaulish via Vernon)"
"Island (from the Scottish island of Tiree)"
"Variant of Joan/Joanne, from Hebrew Yohanan meaning God is gracious..."
"night"
"From the north; a northerner"
"God is gracious (from Jean component)"
"peaceful ruler"
"the dawn, daybreak"
"settlement of Beorhtel people (Burlington origin)"
"spear ruler"
"dear friend"
"God will increase; from a wooded valley"
"noble, patrician"
"free woman"
"tuft, bump, rounded protrusion"
"little warrior, dedicated to Mars"
Similar sound: These names share phonetic patterns with Verlen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Gaulish/French origins, giving them the same cultural heritage as Verlen.
Rhythm: Verlen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.