Giles sits next to 5 phonetic neighbors — Miles, Jules, and Wiles are the closest matches by sound. Most share Giles's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"young goat"
"son of the sea, great tide"
"son of the home ruler"
"honoring God"
"son of Jack"
"running (speed)"
"gift of God, godlike"
"dweller by the rye field"
"woodland clearing"
"place of elms"
"king, lord"
"venerable, revered"
"my light"
"to increase, to grow"
"little warrior or little church man"
"rising, ascending"
"aspen tree, trembling poplar"
"noble protector"
"corner, nook"
"greatest"
"wealthy, God's gift"
Similar sound: These names share phonetic patterns with Giles — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek (aigidion) origins, giving them the same cultural heritage as Giles.
Rhythm: Giles is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.