Last letter = First Letter, min 3 syllable word chain

nanobots

Sandringham

miniaturize … (or ‘miniaturise’, in case you’re someone who went to school at Sandringham)

-“BB”-

equatorial

languidness

susurration

narcissistic

classisistic

colonial

liberation

Nosferatu

ululating

galvanize

electroplate

emancipated

demonstrators

servicemen

noncombatant

tribunal

lazuli