Windsor sits next to 3 phonetic neighbors — Winslow, Wyndsor, and Windsorr are the closest matches by sound. Most share Windsor's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"riverbank with a windlass"
"god's door, entrance to God"
"noble, honorable"
"exalted, rising, ascending"
"lily (flower)"
"new star, bright beginning"
"little rock, steadfast"
"bringer of victory"
"rowan tree"
"laurel, victory"
"Greek woman, Hellene"
"God is my refuge"
"eternal ruler (variant of Erika)"
"pure love, pure affection"
"modern constructed name"
"valley of the River Kent"
"object of wonder, divine sign"
"wild cow"
"young warrior"
"twilight, between day and night"
"bringer of victory"
Similar sound: These names share phonetic patterns with Windsor — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English Windlesora origins, giving them the same cultural heritage as Windsor.
Rhythm: Windsor is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.