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"
"settlement on a hill"
"water farmstead"
"friend, lover (of God)"
"bright one"
"occupational surname for a chapel keeper"
"unknown, possibly nickname"
"the essential point, heart of the matter"
"vigilant in battle, watchful"
"lion (via Ari root)"
"ruler of the land"
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.