Erich sits next to 4 phonetic neighbors — Eric, Erik, and Erick are the closest matches by sound. Most share Erich's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"eternal ruler, ever powerful"
"bold land"
"plant that grows in moist places"
"modern invented name combining Ryan and Ivan roots"
"divine meadow"
"high land, highland"
"fiery one"
"fern plant (feathery frond)"
"modern invented name, possibly from bay + -lan suffix"
"spear land"
"godlike strength"
"calm lake, tranquil pool"
"light of God"
"lord, ruler"
"pasture in a marsh"
"of the spring, from greatness"
"God is my strength (variant of Uzziah)"
"dweller by the lime trees"
Similar sound: These names share phonetic patterns with Erich — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse via Germanic origins, giving them the same cultural heritage as Erich.
Rhythm: Erich is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.