Monty sits next to 4 phonetic neighbors — Monte, Monts, and Marty are the closest matches by sound. Most share Monty's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pointed mountain, hill"
"my help is God"
"raven's island"
"power of peace"
"follower of Dionysos, of Zeus"
"noble and ready"
"pierce the valley"
"consecrated by augury"
"of the forest, woodland"
"man of prayer"
"farmer, estate steward"
"defender of the people"
"settlement near the sword hill"
"stubborn one"
"town near the cliff"
"brave ruler, strong king"
"follower of Dionysus, god of wine"
"industrious, striving"
"red-haired, little redhead"
"son of Garret, son of the spear bearer"
"harp player, one who plays the harp"
Similar sound: These names share phonetic patterns with Monty — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French/Gaulish origins, giving them the same cultural heritage as Monty.
Rhythm: Monty is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.