Alen sits next to 4 phonetic neighbors — Alan, Allen, and Alain are the closest matches by sound. Most share Alen's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"handsome, cheerful"
"God is gracious"
"enlightened, bearer of light"
"short form of -dino names, little warrior"
"follower of Christ, anointed one"
"church, one who lives by a church"
"safe, unharmed, peaceful"
"praiseworthy"
"prince, noble"
"servant, squire"
"son of Lars (son of Lawrence)"
"army friend, honorable companion"
"gift of God"
"high, enlightened"
"rulers advisor, mighty counselor"
"given by Yahweh"
"estate ruler, powerful home"
"generous, bountiful"
Similar sound: These names share phonetic patterns with Alen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic/Breton origins, giving them the same cultural heritage as Alen.
Rhythm: Alen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.