Last letter = First Letter, min 3 syllable word chain

stenographer

reactionary

yogibogeybox

xylophone

electrophoretic

cinematography

I’m surprised that one hasn’t been used yet.

yachtsmanship

Pennsylvania

agoraphobic

chronosynclastic

calculated

detritus

simulacrum

microminiaturization

nauseating

gesticulated

diabolical

lunatic

calumnies

sacrilegious