Conrad sits next to 4 phonetic neighbors — Konrad, Cord, and Corey are the closest matches by sound. Most share Conrad's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bold counsel"
"God is my judge"
"sun, lord"
"valley settlement"
"asked for, prayed for"
"graceful willow"
"bringer of light"
"river, great river"
"healer (via Jason/Iason)"
"possibly from a- (not) + treo (tremble)"
"round, barrel-maker"
"true, faithful, genuine"
"peace town; settlement of peace"
"heart, courage"
"greatest, largest"
"western clearing"
"brave in battle"
"modern American invented name"
"sun, like the sun"
"God is gracious (via John → Jack)"
Similar sound: These names share phonetic patterns with Conrad — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old High German origins, giving them the same cultural heritage as Conrad.
Rhythm: Conrad is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.