Last letter = First Letter, min 3 syllable word chain

tampering

Grosvenor

renewal

lamentations

sorrowing

gaslighting

gynomastia

-“BB”-

Alcatraz

Zamboni

impenetrable

Excelsior!

reinstated

demoted

democratic

crapulence

-“BB”-

excretion

nationalism

mal​a​prop​ism

maladroit

tendonitis