Last letter = First Letter, min 3 syllable word chain

innuendo

original

Laplander

renewal

lumberer

ramshackle

echinacea

autograph

hebdomadal

Ligonier

rambunctious

salubrious

scatological

-“BB”-

logjammers

smothering

ginormous

serendipitous

scrumptiously

yellowness

sacrificial