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"
"mine, belonging to me"
"dry (from Greek azaleos via Azalea)"
"dear one, beloved"
"praised, celebrated"
"stem, tip (suggesting strength)"
"threefold, the Holy Trinity"
"heavenly, of the sky"
"invented blend of Nash and Ashley"
"relating to the lyre, musical, lyrical"
"fertility, abundance"
"eternal ruler"
"new star, bright beginning"
"son of Harry"
"graceful, favored by God"
"twilight, between day and night"
"sky, heaven"
"from Tullius (Latin family name)"
"perfect, complete"
"calmness, peace, tranquility"
"divine one"
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.