Last letter = First Letter, min 3 syllable word chain

rarefied

disruption

necessary

-“BB”-

yardworking

garrulous

smilodon

noxiousness

sundering

grotesquerie

epistle

existentialist

Tannhauser

ramifications

sinusoidal

leukocyte

-“BB”-

ectoplasm

monorail

lascivious

sensual

Ligonier