Garrick sits next to 5 phonetic neighbors — Gareth, Garrett, and Gareth are the closest matches by sound. Most share Garrick's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"spear ruler, spear power"
"my God is an oath"
"lord, have mercy (liturgical)"
"earl, nobleman"
"creative elaboration of Quinton/Quentin"
"one who lays tiles"
"the West, where the sun sets"
"Son of Nils (Neil); son of the champion"
"lamb"
"blessed, holy"
"name of God"
"one who grows and flourishes"
"divine, godly"
"olive tree, peace"
"divine gift (blended)"
"one who fulfills, generous"
"of Mars, warlike"
"dawn counsel, wise before dawn"
"the Lord is righteous"
"elm tree grove"
Similar sound: These names share phonetic patterns with Garrick — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English/Germanic origins, giving them the same cultural heritage as Garrick.
Rhythm: Garrick is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.