Radly sits next to 4 phonetic neighbors — Bradley, Hadley, and Radley are the closest matches by sound. Most share Radly's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"counsel meadow"
"rounded hill, trunk-shaped land"
"one who listens intently, listener"
"divine supreme being, cosmic power"
"little fire"
"of nobility, from the lineage"
"clay hill settlement"
"drawn from the water"
"of noble kind"
"village at the ford; river-crossing settlement"
"God ruler; one who rules with divine authority"
"son of William"
Similar sound: These names share phonetic patterns with Radly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Radly.
Rhythm: Radly is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.