Last letter = First Letter, min 3 syllable word chain

Goodman

Going off ‘arachnid’…

determinate

Ooops, sorry.

existential

lapidary

Yggdrasil

Ligonier

Remulak

komondorok

kinsmanship

paleontology

yakuza

antidisestablishmentarianism

mackinaw

wheelbarrow

woodswallow

winery

youthfulness

salient

tandoori

incubi