Last letter = First Letter, min 3 syllable word chain

nebula

Aventine

effortless

surcingle … (a piece of tack for horses)

-“BB”-

egotistical

laconic

cannibalistic

cataclysm

Matawan

Neophobia

Appalachia

anaconda

adventurous

scapula

-“BB”-

aviatrix

xenophile

embrasure

erasing

geographic

carburetor