Elwood sits next to 5 phonetic neighbors — Elliot, Elora, and Elmwood are the closest matches by sound. Most share Elwood's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"elder tree forest"
"bright fame"
"star of the sea, beloved"
"from the Patia river region of Colombia"
"star"
"From Wales; a foreigner or stranger"
"settlement on a cliff"
"gift of God"
"star, stars"
"flower; blooming"
"exalted one, high goddess"
"little bramble; of the thornbush; possibly auburn-hued"
Similar sound: These names share phonetic patterns with Elwood — 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 Elwood.
Rhythm: Elwood is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.