Last letter = First Letter, min 3 syllable word chain

ambiguous

Sagittarius

sciatica

androgynous

sophisticated

diorama

alopecia

anticlimactic

cataclysmic

chronosynclastic

chrysanthemum

multiprocessors

Serendip

Paleontologist.

terawatt

tenacious

salinity

Yastrzemski

ignoramus

semiprofessionally