A word that means this and fits the rhythm

The right word is one syllable too long and you have been staring at it.

I need a word meaning what I describe below, with the syllable count and stress pattern I give. Fifteen candidates, closest sense first.

Meaning:
Syllables and stress:

Sound and metre. Rhymes, scansion, and the read-aloud passes that tell you why a line trips in the mouth.