Adair sits next to 5 phonetic neighbors — Adele, Blair, and Clair are the closest matches by sound. Most share Adair's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ford at the oak tree"
"excess, extravagance"
"associated with love, beauty, and art"
"full of joy, brightness"
"pleasantness, sweetness, delight"
"merciful, gracious"
"quiet, still"
"pure, graceful"
"ethereal, of God"
"messenger of God, angel"
"one who is reborn"
"fair, bright (fionn) + warrior/hero (lagh)"
"innocent, unblemished"
"variant of Laney (lane dweller)"
"miracle"
"pure, unsullied"
"salvation of God, God is salvation"
"cloak of Saint Martin (original meaning)"
"my father is joy"
"princess, noblewoman"
Similar sound: These names share phonetic patterns with Adair — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Adair.
Rhythm: Adair is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.