Travis sits next to 4 phonetic neighbors — Davis, Jarvis, and Norris are the closest matches by sound. Most share Travis's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"crossing, toll bridge operator"
"master of inspired frenzy"
"asked of God"
"little battle"
"surname origin from Gaelic Mac Caid"
"like the sun"
"large, great"
"famous warrior, renowned in battle"
"descendant of Grádaigh"
"dark one, black"
"phonetic American invention"
"healer, physician"
"virile one"
"benevolent, kind"
"strong ruler, powerful leader"
"son of Owen"
"son of Jove, divine descent"
"strong, firm, enduring"
"healer (if derived from Jason/Kason)"
"military commander, war leader"
"greatest"
Similar sound: These names share phonetic patterns with Travis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Travis.
Rhythm: Travis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.