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"
"God is gracious (via Hans/John)"
"powerful ruler"
"one who works with ropes and rigging"
"laughter of God"
"one who judges, discerning leader"
"he laughs, laughter"
"hill"
"nickname for Charles"
"of the crow, raven-haired"
"from Laurentum (city of laurels)"
"rulers advisor, mighty counselor"
"gift of God, gift of Yahweh"
"son of the right hand"
"estate ruler, powerful home"
"round, barrel"
"flower, flourishing"
"priceless, of inestimable worth"
"helping stone, memorial stone"
"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.