Last letter = First Letter, min 3 syllable word chain

Xenomorph

Hyperbolic

counterdemonstrating

gigawatt

Tyrannosaurus

Struthio

oleomargarine

electromagnetic

chimera

aborigine

electrophysiological

Liechtenstein

nondenominationalism

millennialism

monotheistic

Catholicism

macrophotograph

hagiographical

Laodicean

neuroendocrinologist