Herman sits next to 3 phonetic neighbors — Herman, Harmon, and Hernan are the closest matches by sound. Most share Herman's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"army man, soldier"
"morning star (Venus before sunrise)"
"wolf-like, fierce hunter"
"free man"
"passion, zeal (from root name Rhys)"
"son of Rhys, son of the ardent one"
"one who drives or operates wheels"
"wine's town, friend's settlement"
"son of Colin"
"son of grace; graceful"
"rock (from city of Tyre)"
"helping stone, memorial stone"
"chamber, enclosed space"
"named after the Parisii Gallic tribe"
"defender of men"
"one who ropes (cowboy)"
"vigorous youth"
"priceless, of inestimable worth"
"remnants of a lake, driftwood"
"cloud"
"born at Easter"
Similar sound: These names share phonetic patterns with Herman — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Herman.
Rhythm: Herman is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.