Quetzalli sits next to 3 phonetic neighbors — Quetzali, Quetzal, and Xalli are the closest matches by sound. Most share Quetzalli's Nahuatl-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"something precious, priceless"
"star"
"she who is cherished"
"moon goddess"
"amaranth plant, symbol of eternal life"
"friend, companion"
"angels, divine messengers"
"serrated mountain"
"life, lively one"
"our mother, maternal one"
"quetzal feather, precious, priceless"
"precious, priceless thing"
Similar sound: These names share phonetic patterns with Quetzalli — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Nahuatl origins, giving them the same cultural heritage as Quetzalli.
Rhythm: Quetzalli is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.