Travis sits next to 3 phonetic neighbors — Trevis, Traviss, and Travis 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
"at a crossing, toll collector"
"calm, peaceful"
"hillside meadow"
"yellow, fair-haired"
"from the hollow"
"goddess Savitri, divine solar figure"
"she who understands"
"musical harmony; combination of notes"
"night + lake (compound modern meaning)"
"hay meadow by the lake"
"strength, noble"
"noble strength"
"God is gracious (via Joanna/Johanna variant)"
"firm belief, confidence, reliance"
"fairy, supernatural being"
"lion of God"
"rare, elegant material"
"possibly: lyre, harp (Hebrew kinnor)"
"free woman"
"gift from God"
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.