Windsor sits next to 5 phonetic neighbors — Winston, Winslow, and Windham 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
"winding riverbank, bank with a winch"
"initials standing independently"
"modern American creation"
"combination of brae (hillside) and -lon suffix"
"strong lord, fierce chief"
"river"
"abundant, prosperous growth"
"God is gracious"
"my messenger, my angel"
"who is like God"
"gift of God"
"eternal king, pure lineage"
"comparable to God, God-like"
"courageous, valiant"
"little saint, holy one"
"like a lion, of Leon"
"land of the East Saxons"
"twin"
"belief, trust, credibility"
"day"
"a fast-moving projectile, symbol of speed and ambition"
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 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.