Lyndel sits next to 3 phonetic neighbors — Lyndell, Wendell, and Lindell are the closest matches by sound. Most share Lyndel's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"linden tree valley"
"from the settlement at the ford"
"of the mountain"
"wine (joy) and peace combined"
"carefree, unbound"
"free land, land without feudal obligation"
"laurel, crown of victory"
"beaver stream"
"supplanter, one who grasps the heel"
"to be strong"
"widely known, celebrated, renowned"
Similar sound: These names share phonetic patterns with Lyndel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Lyndel.
Rhythm: Lyndel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.