Blanche Sweet's 2 syllables sit just outside the ideal 3–5 range.
Blanche's 1 beat vs. Sweet's 1 create a natural cinematic snap.
Blanche Sweet's softer consonants cost it screen presence.
Blanche Sweet misses the alliteration hook that makes names stick.
Blanche (7 letters) and Sweet (5) are balanced in length — clean on any poster or marquee.
Blanche Sweet has mostly familiar phonemes with a few tricky patterns.
Blanche Sweet has decent vowel richness, but stronger A and O sounds would lift it.