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"
"son of William"
"from Laurentum (city of laurels)"
"fionn (fair) + laogh (warrior)"
"who is like God? (no one)"
"light"
"one who lives by rivers"
"God heals, God supports"
"great tide, sea wave"
"from the Netherlands, of Dutch heritage"
"vision during sleep, aspiration"
"belonging to Christ"
"place by a waterway lock"
"wolf-desire, wolf's help"
"supplanter, one who follows at the heel"
"cheerful, jovial"
"descendant of the red one"
"god of war, justice, and single combat"
"God has remembered"
"the tree of enlightenment"
"son of Japheth, ancestor of Greeks"
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.