Glender sits next to 4 phonetic neighbors — Glenda, Glennie, and Gender are the closest matches by sound. Most share Glender's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"valley, mountain glen"
"Reborn; born again; variant of Renee"
"lady, mistress of the house"
"Meadow and ewe; modern blend name"
"little red one; graceful river"
"Beautiful; fair one"
"free woman"
"God will increase; from a wooded valley"
"spear ruler"
"shield-wolf, defender"
"God is gracious"
"Christ-carrier"
"noble, patrician"
"lily, rose"
"Pure; stream"
"elf counsel (via Alfrid)"
"little joy, dear song"
Similar sound: These names share phonetic patterns with Glender — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Glender.
Rhythm: Glender is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.