Romilly sits next to 4 phonetic neighbors — Rosalie, Romilda, and Romily are the closest matches by sound. Most share Romilly's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the Roman settlement"
"pure"
"God is my lord (El + Yah element)"
"descendant of Raghaillach"
"king, royalty"
"ivy climbing plant"
"clearing in the woods"
"lord, master"
"strength, speech"
"the loved"
"full of goodness"
"wished-for child"
"beloved, to love"
"man-power mountain"
"canary bird"
"life, living one"
"heavenly Mary, beloved sky"
"variant of Delilah (night, amorous)"
"patron of music and musicians"
"most holy, utterly pure"
"son of Maud, mighty in battle"
Similar sound: These names share phonetic patterns with Romilly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin via French origins, giving them the same cultural heritage as Romilly.
Rhythm: Romilly is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.