Creg sits next to 3 phonetic neighbors — Craig, Greg, and Cregagh are the closest matches by sound. Most share Creg's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"rock, crag, cliff"
"hill, elevated"
"rounded lump, cobblestone"
"blessed ring, white circle (Welsh derivation)"
"spear rule"
"eminence, hill"
"the king"
"spear of strength"
"young bear, small animal"
"lean, thin one"
"who is like God?"
"powerful ruler"
"ever powerful"
"adventurous, wanderer"
Similar sound: These names share phonetic patterns with Creg — 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 Creg.
Rhythm: Creg is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.