Kalil sits next to 3 phonetic neighbors — Khalil, Kaleel, and Kamil are the closest matches by sound. Most share Kalil's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"good friend, intimate companion"
"to hang, weigh, measure"
"enduring and given by God"
"the longed-for one"
"captain, governor"
"descent, descending"
"anointed one (related to Messiah)"
"clan name of early Arabian tribes"
"God is gracious"
"spear rule, lord of the spear (via Gerald)"
"satisfaction, approval"
"who is like God?"
"of the Moorish people"
"God is gracious"
"combination of ke- (prefix) and Marion (beloved)"
"a million (aspirational wealth, abundance)"
"elevated in status"
"healer (if from Greek Galen)"
"Canopus star"
"magnanimity, giving freely"
Similar sound: These names share phonetic patterns with Kalil — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Kalil.
Rhythm: Kalil is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.