Arleigh sits next to 5 phonetic neighbors — Arley, Harley, and Arlee are the closest matches by sound. Most share Arleigh's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"meadow where eagles dwell"
"diminutive of Elizabeth"
"date palm tree"
"opportunity"
"olive tree"
"little rose"
"son of the steward"
"devotee of battle rule"
"she who rules"
"flowing river (associated meaning)"
"precious green gemstone"
"deadly nightshade (plant)"
"victorious people (if from Nicole root)"
"from Scotland, a Scot"
"bright, shining"
"beautiful, soft"
"reborn"
"Cause of joy"
"my help"
Similar sound: These names share phonetic patterns with Arleigh — 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 Arleigh.
Rhythm: Arleigh is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.