Nadir sits next to 3 phonetic neighbors — Nader, Kadir, and Tahir are the closest matches by sound. Most share Nadir's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"scarce, uncommon"
"purity, clarity of mind"
"prince, chief, leader"
"God is gracious"
"one who prevents harm"
"long-lived"
"crown, complete"
"cup, goblet"
"sheaf of grain"
"living in divine blessing"
"lion"
"Southern American place name as given name"
"one who fights for the faith"
"fame and glory"
"God's prince"
"young wolf, wolf cub"
"famous in the land, renowned territory"
"lion-hearted, brave"
"home ruler"
"abundance, prosperity"
Similar sound: These names share phonetic patterns with Nadir — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Nadir.
Rhythm: Nadir is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.