Last letter = First Letter, min 3 syllable word chain

enlightenment

Troglodyte

endomorph

heroine

everlasting

guarantorship

preventative

emesis

-“BB”-

somnolence

extravagant

treachery

Yamashita

Amazonian

necromancer

rosacea

acetylene

-“BB”-

Entity

yellowtail

Laplander

Rangifer