Last letter = First Letter, min 3 syllable word chain

Ariel

Leitmotif

Formica

aluminum

mastodon

Natural

Laringitis

spaghetti

ignition

-“BB”-

nincompoop

populist

Titanic

certify

ylang-ylang

Huh. Never heard of it!: Cananga odorata - Wikipedia

Gettysburg

Gatlinburg

gradual

lumberjack

kangaroo

Ohio.