Emyr sits next to 4 phonetic neighbors — Emir, Emery, and Amir are the closest matches by sound. Most share Emyr's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"king, lord, ruler"
"from the province of Daron"
"vitality, life force"
"diminutive of Hobart"
"white hawk, battle hawk"
"son of Hugh"
"sad, sorrowful (folk etymology)"
"great, mighty"
"counsel power, wise advisor"
"dawn, daybreak"
"strong lord"
"little king"
"counsel, chief"
Similar sound: These names share phonetic patterns with Emyr — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Emyr.
Rhythm: Emyr is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.