Wendy sits next to 4 phonetic neighbors — Benny, Penny, and Remy are the closest matches by sound. Most share Wendy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"friend (invented by J.M. Barrie from 'fwendy')"
"white ford, ford of joy"
"the king"
"reborn, born again"
"lean, thin one"
"paulownia tree, nobility (桐)"
"young bear, small animal"
"rock, crag, cliff"
"ever powerful"
"one who rules by the spear"
"powerful warrior"
"Famous warrior"
"market trader, merchant"
"wise counselor"
"grey, grey-haired"
Similar sound: These names share phonetic patterns with Wendy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Wendy.
Rhythm: Wendy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.