Uma Thurman's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Uma's 2 beats vs. Thurman's 2 create a natural cinematic snap.
Uma Thurman's softer consonants cost it screen presence.
Uma Thurman misses the alliteration hook that makes names stick.
Uma (3 letters) and Thurman (7) have a slight length mismatch, but it reads fine on screen.
Uma Thurman has mostly familiar phonemes with a few tricky patterns.
Uma Thurman's open vowels roll off the tongue — warm and screen-ready.