Neal sits next to 4 phonetic neighbors — Neil, Niall, and Neel are the closest matches by sound. Most share Neal's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"passionate, ardent"
"green/fresh river"
"beauty, grace"
"rough waters, hard stream"
"pale, holy"
"honest, true, trustworthy"
"falling, rhythmic beat"
"variant of Alexander (defender of men)"
"settlement by the ash trees"
"son of Hendry (Henry)"
"descendant of the red one"
"one who lives near a steep bank"
"smooth, refined texture"
"spirit, companion"
"a day's travel, expedition"
"renowned in battle"
"son of Hays, hedged area"
"crooked nose, bent river"
"from, of (noble German particle)"
"to overcome, conquer"
"from the high woodland clearing"
Similar sound: These names share phonetic patterns with Neal — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Irish origins, giving them the same cultural heritage as Neal.
Rhythm: Neal is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.