Last letter = First Letter, min 3 syllable word chain

zoological

loquaciousness

systematically

yieldability

Yastrzemski

ichthyosaur

rhinoceros

Salivating

gargantuan

nourishment

tracheoesophageal

logorrhea

Anthropological

lackadaisical

lexicography

yellowjacket

Tamoxifen

Naturalizations

sacrilegious

Styracosaurus