Dawne sits next to 4 phonetic neighbors — Dawn, Donna, and Shawn are the closest matches by sound. Most share Dawne's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the dawn, daybreak"
"shining bright, torch (from Elaine/Helen)"
"noble one, of aristocratic birth"
"Variant of Joan/Joanne, from Hebrew Yohanan meaning God is gracious..."
"noble strength (via Audrey root)"
"dear friend"
"elf counsel (via Alfrid)"
"lake, pool"
"God will increase; from a wooded valley"
"joyful round song"
"spear"
"tuft, bump, rounded protrusion"
"From the north; a northerner"
"lilac, bluish"
"God is gracious"
"resolute protector"
Similar sound: These names share phonetic patterns with Dawne — 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 Dawne.
Rhythm: Dawne is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.