Gil sits next to 4 phonetic neighbors — Bill, Will, and Phil are the closest matches by sound. Most share Gil's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"joy, happiness"
"God will uplift, God will exalt"
"sky, heaven"
"elevated, sublime, lofty"
"prosperous companion"
"counsel guardian"
"exile, sojourner"
"peace, wholeness, completeness"
"work-power, industrious ruler"
"to be vigorous, to have worth"
"guest, stranger"
"mighty, noble, majestic"
"grace of God"
"ruler of the home, home ruler"
"may God protect"
"God remembers"
"ram, terebinth"
"priceless, invaluable (from Antonius family name)"
"surety, guarantor"
Similar sound: These names share phonetic patterns with Gil — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Gil.
Rhythm: Gil is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.