Arman sits next to 4 phonetic neighbors — Armand, Armon, and Roman are the closest matches by sound. Most share Arman's Persian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wish, hope, aspiration"
"growth, abundance, increase"
"Persia (place name)"
"one who has achieved enlightenment"
"skilled, expert, proficient"
"exalted, high, noble"
"knowledge, sacred wisdom"
"dark, black (dark blue)"
"sword"
"merciful, compassionate"
"the victorious one"
"prosperous, populous"
"exalted, lofty"
"enlightened, bright, intelligent"
"crown"
"castle, fortress, palace"
"lush, well-watered, abundant"
Similar sound: These names share phonetic patterns with Arman — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Persian origins, giving them the same cultural heritage as Arman.
Rhythm: Arman is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.