Grover sits next to 3 phonetic neighbors — Dover, Rover, and Glover are the closest matches by sound. Most share Grover's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grove dweller, one who lives near a grove"
"goddess of night, primordial deity"
"head of the pass"
"modern invented name"
"bird-like, of the birds"
"God is my judge (short form of Daniel)"
"lake colony, settlement by the pool"
"mountain of strength, exalted"
"to offer, to announce"
"divine wonder"
"intelligent, gifted"
"town of stone"
"fortified stronghold"
"faithful as a dog, devoted"
"from Imari, city of fine porcelain"
"creative compound: Da- prefix + Marcus"
"surname-derived given name"
"descendant of Comhradha"
"from the rose field"
"sea stone, seaside settlement"
"trust, reliance"
Similar sound: These names share phonetic patterns with Grover — 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 Grover.
Rhythm: Grover is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.