Arlan sits next to 5 phonetic neighbors — Arlen, Harlan, and Darlan are the closest matches by sound. Most share Arlan's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pledge, oath"
"spirit, vigorous enthusiasm, flair"
"hunter, one who hunts or pursues"
"healer"
"place of the male deer"
"bold, brave, daring"
"horseman, cavalryman"
"bright friend"
"brave and hardy"
"new, fresh"
"strife, contest"
"Wine's hill, friend's hill"
"son of Cadan, fighter"
"independent one, unbranded steer, nonconformist"
"increase, wisteria"
"of January, born in January"
"Geirrapos island, grassy island"
"heavy club weapon"
"little slender one"
"victorious people (from Gaelic connection)"
"short form of Tyler or Tyson"
Similar sound: These names share phonetic patterns with Arlan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Irish origins, giving them the same cultural heritage as Arlan.
Rhythm: Arlan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.