Soul sits next to 4 phonetic neighbors — Cole, Joel, and Sol are the closest matches by sound. Most share Soul's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"spiritual essence, animating force"
"dark one"
"liberator of men; freer of man"
"dark as a raven"
"eagle friend"
"heri (army) + beraht (bright)"
"lord of the marches, march warden"
"wolf-desire, wolf's help"
"messenger of God"
"the Christian cross"
"light"
"a crow-like black bird"
"from the swampy land"
"narrow strait (from Kyle)"
"praised by God (theophoric construction)"
"speckled, variegated"
"crooked nose (old Gaelic nickname)"
"iron"
"Lukes town"
"roe deer forest, deer wood"
"swift warrior"
Similar sound: These names share phonetic patterns with Soul — 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 Soul.
Rhythm: Soul is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.