Alek sits next to 5 phonetic neighbors — Alex, Alec, and Aleck are the closest matches by sound. Most share Alek's Polish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"defender of the people"
"dark as a raven"
"elder, respected one"
"of the Chiel family"
"follower of Christ"
"grace, elegance, pride"
"given by God"
"moonlit, of the moon"
"he judged, he governed"
"God is my strength"
"kingly, held by the heel (supplanter)"
"God is brother"
"glory and spear (hrod + gar)"
"people's lord"
"God is gracious (via Eoin/John)"
"joined, attached"
"from Brock's town, badger settlement"
"old settlement"
"rhythm, flow, cadence"
"beloved, dear one"
Similar sound: These names share phonetic patterns with Alek — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ancient Greek origins, giving them the same cultural heritage as Alek.
Rhythm: Alek is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.