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"
"Brave, courageous, showing great valor"
"small spring, place of the small spring"
"tailor, cloth cutter"
"bright, famous, clear"
"great homestead, wonderful dwelling"
"the king"
"Settlement of Beonna; from Benna village"
"his gift"
"Tibba settlement; Tibba estate"
"from the burnt town or settlement"
"not madness, alyssum flower"
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.