Kendrix sits next to 4 phonetic neighbors — Kendrick, Hendrix, and Kenrick are the closest matches by sound. Most share Kendrix's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"royal power, royal ruler"
"chariot boy"
"son of Jack"
"from the Welsh Seisyll"
"from Scotland, a Scotsman"
"great, venerable"
"rock hill, old hill"
"vigilant, watchful"
"pure (short for Catherine)"
"farmer, earth-worker"
"young dog, whelp (strength and loyalty)"
"from the mouth of the Roe river"
"remembered by God"
"wealthy guardian"
"son of the gray-haired one"
"grace, beauty, ornament"
"lord (if related to Kyrie)"
"land desiccated from water"
"uncertain, possibly Norse or Welsh origin"
"spear warrior"
"Greece, Ionia (biblical Javan)"
Similar sound: These names share phonetic patterns with Kendrix — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English/Welsh origins, giving them the same cultural heritage as Kendrix.
Rhythm: Kendrix is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.