Garner sits next to 4 phonetic neighbors — Gardner, Garner, and Gunnar are the closest matches by sound. Most share Garner's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"keeper of grain, granary worker"
"joined, attached"
"lord, ruler"
"new house, bright abode"
"the lord (divine title)"
"caiman, crocodilian reptile"
"of the vine"
"to descend, he who descended"
"eighth, born eighth"
"small amphibian (secondary association)"
"deep red, the color red"
"of America, American"
"gift of God (via Zane/Zayn root)"
"guardian, soldier"
"true, faithful, loyal"
"silver-wheeled (sky goddess)"
"he who descends"
"place name origin: a hundred in Cornwall, England"
"independent; nonconformist; unbranded"
"vigilant in battle (via Casey/Cathasaigh)"
"God is my judge"
Similar sound: These names share phonetic patterns with Garner — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French/Latin origins, giving them the same cultural heritage as Garner.
Rhythm: Garner is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.