Adair sits next to 5 phonetic neighbors — Blair, Alistair, and Adare 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
"oak tree ford"
"modern invented variant of Taylor"
"king of the gods (Roman pantheon)"
"God is gracious"
"highest point, fortified hill"
"praised by God (theophoric construction)"
"divine, godlike (Sanskrit)"
"sun, shepherd"
"son of Lars (son of Lawrence)"
"older, senior in wisdom"
"marrow of the sea, sea fortress"
"Lord, have mercy (liturgical)"
"from Tyre, the ancient city"
"bent river"
"son of William"
"descendant of Bradan (salmon)"
"god of war, justice, and single combat"
"immortal, deathless"
"descendant of Caiside"
"son"
"meadow town"
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.