Renly sits next to 3 phonetic neighbors — Renley, Finley, and Brantley are the closest matches by sound. Most share Renly's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"modern invented name, literary creation"
"man of the forest"
"son of Tenney"
"supplanter, one who follows at the heel"
"future, what is yet to come"
"healing, remedying"
"from the skilled settlement"
"thunder and lightning (via Raiden)"
"that which is yet to come"
"modern American invented variant of Zayd"
"one who knocks, morning star"
"deep blood-red color"
"anointed one"
"of the earth"
"new house"
"brother (fictional Inuit-inspired)"
"ruler of the spear"
"appointed by God"
"joyful, jovial (from the same root)"
"gift of God (Thomas) + supplanter (James)"
"little Hugh"
Similar sound: These names share phonetic patterns with Renly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Renly.
Rhythm: Renly is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.