Hamish sits next to 3 phonetic neighbors — James, Jamish, and Danish are the closest matches by sound. Most share Hamish's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter"
"good, excellent + blue"
"noble ruler"
"symbol of limitless abundance"
"goodness of God"
"elf warrior (alternative etymology)"
"anointed one who carries"
"one who hunts with birds (falconer)"
"whole, powerful"
"Little red one"
"holly corner, hazel grove"
"Jehovah is God"
"fair-haired hero"
"elf counsel, wise counselor"
"to travel leisurely"
"God will uplift"
"earl, nobleman"
"one who lives in a valley"
"of the river Jordan"
"dawn counsel, wise before dawn"
"scribe, one who reads and writes"
Similar sound: These names share phonetic patterns with Hamish — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Gaelic origins, giving them the same cultural heritage as Hamish.
Rhythm: Hamish is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.