Texas sits next to 3 phonetic neighbors — Tex, Alexis, and Felix are the closest matches by sound. Most share Texas's Caddo Native American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"friends, allies"
"initials, often James David or John David"
"birth, origin, breed"
"Short form of Uilliam, the Irish form of William"
"mind, intellect, spirit"
"modern nature compound name"
"six"
"modern invented combination of grey + len"
"early rain, autumn rain"
"free man"
"traveler, crossroads"
"the new house"
"army, nobleman"
"jackdaw (intelligent crow-family bird)"
"chief, lord"
"son of Jay, supplanter"
"aspen tree, trembling poplar"
"great, kingly"
"manly warrior ruler"
"descendant of Bladen"
Similar sound: These names share phonetic patterns with Texas — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Caddo Native American origins, giving them the same cultural heritage as Texas.
Rhythm: Texas is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.