Lynne sits next to 3 phonetic neighbors — Lynn, Lin, and Linn are the closest matches by sound. Most share Lynne's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Lake or pool"
"bright, famous, clear"
"great homestead, wonderful dwelling"
"small spring, place of the small spring"
"one who cuts"
"Brave, courageous, showing great valor"
"Tibba settlement; Tibba estate"
"the king"
"noble, of noble kind"
"Settlement of Beonna; from Benna village"
"his gift"
"from the burnt town or settlement"
Similar sound: These names share phonetic patterns with Lynne — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Lynne.
Rhythm: Lynne is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.