Dyce sits next to 5 phonetic neighbors — Bryce, Rhys, and Reece are the closest matches by sound. Most share Dyce's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the southern lands"
"dark-haired chieftain"
"fortunate, prosperous one"
"vigilant, watchful"
"modern invented form of Jackson"
"supplanter, held by the heel (via Jake/Jacob)"
"son of the angel, angelic descendant"
"son of Copen (geographic surname)"
"Son of Nils (Neil); son of the champion"
"from the new estate"
"black, dark-complexioned"
"pure"
"fabric finisher (occupational)"
"noble desire"
"appointed by God"
"thorny shrub, wild rose"
"priest's estate"
"northerner, man from the north"
"fifth (born)"
"invented name; no fixed traditional meaning"
Similar sound: These names share phonetic patterns with Dyce — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Dyce.
Rhythm: Dyce is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.