Enkidu sits next to 3 phonetic neighbors — Enki, Indigo, and Enkidu are the closest matches by sound. Most share Enkidu's Sumerian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lord of the earth, creation of the good earth"
"son of Kay"
"chaplain, keeper of the chapel"
"with great strength (via Arion)"
"bright one"
"prince, commander"
"unknown, possibly nickname"
"cross"
"water farmstead"
"ruler of the land"
"settlement on a hill"
Similar sound: These names share phonetic patterns with Enkidu — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sumerian origins, giving them the same cultural heritage as Enkidu.
Rhythm: Enkidu is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.