Hollis sits next to 3 phonetic neighbors — Hallie, Dallas, and Wallace are the closest matches by sound. Most share Hollis's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"dweller near the holly trees"
"amusement, playfulness"
"bright, clear, famous"
"from the kingdom of Lothar"
"wished for child, desired"
"foreigner, guest"
"love comes"
"red gemstone, precious ruby"
"leader, ruler"
"glowing coal in a meadow clearing"
"sacred shrine, palace"
"moon, moonlike"
"crystal clear"
"home ruler, estate ruler"
"beloved, cherished"
"place of the La Ramee family"
"sun ray"
"grace, favor"
"pure (from Catherine via Caitlin)"
"God's gift of grace"
Similar sound: These names share phonetic patterns with Hollis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Middle English origins, giving them the same cultural heritage as Hollis.
Rhythm: Hollis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.