Wilbert sits next to 4 phonetic neighbors — Gilbert, Wilbur, and Albert are the closest matches by sound. Most share Wilbert's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"resolute, bright"
"shield rim"
"craftsman, smith"
"spear warrior"
"nickname form of Roger"
"high, exalted"
"beloved of God"
"son of Cadán, little battle"
"supplanter"
"son of, awakening"
"hill covered with broom, steep hill"
"triumph, conquest"
"from Arles (city in France)"
"strong lord"
"anointed one who carries"
"son of the sea, great tide"
"son of Ryer, from the rye field settlement"
"farm on stony ground"
"victory of the people"
"from the ledge farm, shelf settlement"
"wealthy, God's gift"
Similar sound: These names share phonetic patterns with Wilbert — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Wilbert.
Rhythm: Wilbert is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.