Six-letter words - change zero to two letters make a new word (Part 1)

vested

veered

peered

depart

deport

portal

torpor

troupe

prates

pirate

bitter

(Bit him, too!)

Tribal

ribald

urinal

spinal

(as in we’ve got like armadillos in our trousers)

sailor

Rialto

Altoid

detail

retail