Word changing

You start with a word and someone changes or deletes or adds a letter to that word (only one thing at a time) the goal is to see how long we can keep this up
example: Bright->Right->Fright->...

ok the first word is
Truck

truck->ruck

ruck->luck

luck->puck

puck->pluck

pluck -> suck

suck->duck

duck-> ducks

ducks->docks

docks->nocks