Logic sits next to 3 phonetic neighbors — Locke, Logan, and Lucas are the closest matches by sound. Most share Logic's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"reason, rational thought"
"goodness"
"safe, uninjured"
"variant of Cassius"
"jackdaw (intelligent crow-family bird)"
"black, swarthy"
"firebrand (via Tyson)"
"son of the sea, great tide"
"God has heard"
"God will establish (variant of Jacob)"
"slender, graceful"
"bold, brave counsel"
"venerable, worthy of reverence"
"one who makes wheels"
"ox (original pictographic meaning)"
"river"
"from Kansas City"
"enduring, steadfast"
"from 'deaglán', possibly 'good man'"
"winding homestead"
Similar sound: These names share phonetic patterns with Logic — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Logic.
Rhythm: Logic is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.