Reinhard sits next to 5 phonetic neighbors — Reinhardt, Reynard, and Richard are the closest matches by sound. Most share Reinhard's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strong counsel, brave advisor"
"anointed one"
"spear ruler"
"from Massy (a place in Normandy)"
"father"
"rose and beauty"
"crowned with laurel, victorious"
"contempt, disrespect"
"washing place"
"wise protector"
Similar sound: These names share phonetic patterns with Reinhard — 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 Reinhard.
Rhythm: Reinhard is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.