Stuart sits next to 3 phonetic neighbors — Stewart, Steward, and Sturt are the closest matches by sound. Most share Stuart's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"steward, estate guardian"
"God will strengthen"
"young warrior"
"farmer, peasant landholder"
"Yahweh is my strength"
"my judge"
"falcon keeper, falconer"
"growth, abundance, increase"
"bear"
"God has given, gift of God"
"moonlight; of the moon"
"truth, sound"
"great (via Chinese Quan)"
"son of Matthew"
"harmonious regularity"
"wood, lumber, forest"
"victory of the people"
"son of him who abounds in furrows"
"one who understands, expert"
"protector of mankind"
"strong, healthy"
Similar sound: These names share phonetic patterns with Stuart — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English 'stigweard' origins, giving them the same cultural heritage as Stuart.
Rhythm: Stuart is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.