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"
"laughter of God"
"thankful, God has heard"
"thunder"
"strength, power"
"powerful, warrior"
"modern invented name"
"man of law, lawyer"
"little fire"
"place name: town in Pembrokeshire, Wales"
"wine's town, friend's settlement"
"literary name of uncertain origin"
"my vision, my sight"
"according to hope, fortunate"
"skilled craftsman with cutting tools"
"one of a kind, without equal"
"possessor, acquirer"
"beloved of God, beloved of Yahweh"
"tile maker (via Tyler)"
"my inheritance"
"love, romantic feeling"
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.