Avenir sits next to 4 phonetic neighbors — Xavier, Vivien, and Avery are the closest matches by sound. Most share Avenir's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"future, what is yet to come"
"new town"
"moon, moonlight"
"ruler of the world"
"to be, to exist, present"
"may God protect"
"thunder"
"zero, emptiness, infinite possibility"
"Thor's stone"
"modern invented name in the -aiden family"
"gift of God"
"son of Denis/Dye"
"shepherd, sheep herder"
"fashionable, sharp (modern connotation)"
"spear, from the oak grove"
"firm, steadfast"
"son of Day, child of daylight"
"dweller at the edge of town"
"measuring instrument, standard dimension"
"friend, companion"
Similar sound: These names share phonetic patterns with Avenir — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin via French origins, giving them the same cultural heritage as Avenir.
Rhythm: Avenir is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.