Last letter = First Letter, min 3 syllable word chain

elaborate

elevate

Excedrin

nocturnal

lavender

rarefied

deified

dignified

Daddio

ovenproof

facetious

sacrificial

lambrusco

operculum

mendacious

sanctimonious

syllabus

supercalifragilisticexpialidocious

syllabicate

entrepreneurship