Dylam sits next to 5 phonetic neighbors — Dylan, Dillan, and Dillon are the closest matches by sound. Most share Dylam's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of the sea, great tide"
"victory of the people (via Nico)"
"of the vine"
"may God protect"
"things to be read/remembered"
"journey, voyage"
"God is gracious (via John)"
"from the borough farm"
"sand hill, sandy mound"
"of the mountain, from the mountain"
"new, sky (nav element)"
"born on Sunday (in some traditions)"
"invented name, no inherent meaning"
"white, fair-haired"
"modern invented name with Ry- prefix"
"his name is God"
"prince, commander"
"immortal, ever-living"
"from Texas"
"independent"
Similar sound: These names share phonetic patterns with Dylam — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Dylam.
Rhythm: Dylam is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.