Guhan sits next to 4 phonetic neighbors — Guhan, Gohan, and Guha are the closest matches by sound. Most share Guhan's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"cave dweller, one who lives in the cave"
"spring of water, water gift"
"courageous hero"
"charioteer of the sun"
"friend, companion"
"victory of the brave"
"powerful one, full of zeal"
"emblem of the sacred bull"
"divine command, will of God"
"wealth, splendor, majesty"
"crab (unrelated homophone)"
"infallible, never failing, not in vain"
"indestructible, imperishable"
"eternal, of the ages"
Similar sound: These names share phonetic patterns with Guhan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Guhan.
Rhythm: Guhan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.