Freddy sits next to 4 phonetic neighbors — Freddie, Teddy, and Eddie are the closest matches by sound. Most share Freddy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"peaceful ruler"
"lion of God"
"famous warrior"
"variant of Chloe, blooming"
"grace, favor (from Hannah via Anne)"
"from Troy by the waterfall"
"yew tree"
"hilltop town"
"to gladden, make joyful"
"island of Alfsigr (Norse personal name)"
"island of the queen, named after fictional paradise Califia"
"energetic, rowdy one"
Similar sound: These names share phonetic patterns with Freddy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic (frid + ric) origins, giving them the same cultural heritage as Freddy.
Rhythm: Freddy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.