Rich sits next to 3 phonetic neighbors — Rick, Mitch, and Bitch are the closest matches by sound. Most share Rich's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"powerful ruler, brave power"
"to be, to exist, present"
"lord, master"
"from the court"
"house guardian"
"God listens"
"ornament, necklace"
"shining, brilliant"
"God is salvation, God saves"
"brother (fictional Inuit-inspired)"
"God is good"
"lunar, bright as the moon"
"dark one"
"God is gracious (from Shawn element)"
"peaceful town"
"thicket keeper"
"cat"
"dweller at the edge of town"
"companion of God"
"light refreshing wind"
"shade, silhouette"
Similar sound: These names share phonetic patterns with Rich — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old German origins, giving them the same cultural heritage as Rich.
Rhythm: Rich is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.