Lennox sits next to 3 phonetic neighbors — Knox, Hendrix, and Felix are the closest matches by sound. Most share Lennox's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"elm grove"
"Yahweh has shown favor"
"victory of the people (from Nicholas)"
"little red one (from red hair)"
"fighter"
"son of Karr"
"son of Jack"
"like the sun"
"ash tree town"
"angel; messenger of God"
"one who is celebrated"
"red king, famous ruler"
"man, mankind, human"
"clearing among oaks"
"son of Elias"
"companion, friend, from Arabic Kadin"
"son of Madoc"
"at the ford"
"healer"
"powerful, brave king"
"Yahweh is God"
Similar sound: These names share phonetic patterns with Lennox — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic leamhanach origins, giving them the same cultural heritage as Lennox.
Rhythm: Lennox is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.