Allis sits next to 5 phonetic neighbors — Alice, Alyce, and Ellis are the closest matches by sound. Most share Allis's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noble, of noble kind"
"God is my judge"
"amber, shining, bright"
"marjoram herb"
"son of the right hand"
"tender touch; caress"
"yew warrior (from Ivar)"
"zen (meditation) + nova (new star) — illuminated new beginning"
"noble kind, of noble birth"
"soft luxurious woven fabric with short dense pile"
"three-peaked mountain"
"defender, protector"
"free man"
Similar sound: These names share phonetic patterns with Allis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Allis.
Rhythm: Allis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.