Windham sits next to 4 phonetic neighbors — Wyndham, William, and Winfred are the closest matches by sound. Most share Windham's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"village near a winding path"
"silver-wheeled (sky goddess)"
"son of Hermund"
"dark one, dark-haired"
"deep valley dweller"
"slender warrior (Celtic phonetic elements)"
"son of Judd, son of the praised one"
"place name origin: a hundred in Cornwall, England"
"poet, philosopher, wise man"
"rue plant, bitter herb"
"king's ford"
"land of Eoghan (Irish)"
"divine judge"
"son of Tray"
"knife, cutler"
"enduring, steadfast"
"flowing river, running water"
Similar sound: These names share phonetic patterns with Windham — 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 Windham.
Rhythm: Windham is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.