Fennec sits next to 3 phonetic neighbors — Fenwick, Kendrick, and Henley are the closest matches by sound. Most share Fennec's Arabic fanak-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"small fox, fennec fox"
"little great one"
"the celestial vault"
"famous warrior (from Chlodwig/Louis)"
"priceless one, beyond praise"
"powerful leader"
"burnt wine, distilled wine"
"thorny bush, briar plant"
Similar sound: These names share phonetic patterns with Fennec — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic fanak origins, giving them the same cultural heritage as Fennec.
Rhythm: Fennec is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.