Last letter = First Letter, min 3 syllable word chain

yellowish

harrumphing

gardyloo

operational

lollygag

Gallagher

resuscitate

equinox

Xanthium

(scientific genus of cockleburrs)

-“BB”-

muscatel

lucrative

eviscerated

decapitated

December

rectangular

remorseless

sonogram

Madagascar

Radagast

temperamental