Renesmee sits next to 4 phonetic neighbors — Rosemary, Renata, and Esme are the closest matches by sound. Most share Renesmee's French portmanteau-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"reborn (from Renée) + beloved (from Esme)"
"halo of moonlight"
"work strength"
"from Massy (Norman town)"
"pure, victorious meadow"
"noble, adorned + lake/waterfall"
"amusement, playfulness"
"friend"
"beloved, cherished"
"gracious, dear one"
"baby kangaroo (informal)"
"gift of God"
"sun (via Persian Kira)"
"named for William Cattley (horticulturalist)"
"ruler of the land"
"bird"
"helper, protector"
"follower of Christ"
"a falling, descent"
Similar sound: These names share phonetic patterns with Renesmee — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French portmanteau origins, giving them the same cultural heritage as Renesmee.
Rhythm: Renesmee is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.