Edgar sits next to 4 phonetic neighbors — Edward, Edwin, and Edgard are the closest matches by sound. Most share Edgar's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"rich spear, lucky warrior"
"good, blessing"
"broad clearing in the woods"
"little dark one"
"defender of men"
"brave, manly"
"spear of God (from Oscar)"
"to heal (from iasthai)"
"from Antwerp"
"wisdom, good sense"
"of the Lord, belonging to God"
"Yahweh has been gracious"
"from the people (damos)"
"lover of horses"
"beloved"
"crown, wreath"
"God is salvation, Yahweh saves"
"the greatest"
"gift of the Lord"
Similar sound: These names share phonetic patterns with Edgar — 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 Edgar.
Rhythm: Edgar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.