Oday sits next to 3 phonetic neighbors — Uday, Aday, and Eday are the closest matches by sound. Most share Oday's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"to pass quickly, to flow"
"protector, guardian"
"the one who hates"
"small, humble"
"world peace, gift of the world"
"servant of the Bestower of gifts"
"inner self, heart"
"more luminous, brighter"
"pure, clean"
"fruit, auspicious, ripe"
"industrious ruler"
"copper-tin alloy; warm reddish-brown metal"
"son of Brayden"
"of Mars, warlike"
"ruler of the army (via Walter)"
"open land, cleared field"
"settlement by ash trees"
"severe, strict"
"pure, true, real"
"God is gracious (via Shawn/John)"
"gift of God"
Similar sound: These names share phonetic patterns with Oday — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Oday.
Rhythm: Oday is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.