Eight-letter words - change zero to two letters to make a new word

Spartans

partisan

parasite

paradise

replicas

clappers

Happy birthday, Ignatz!! :birthday: :balloon: :gift: :sparkler:

collapse

prolapse

proposes

passover

overpass

overpaid

repaired

diarrhea

railhead

islander

dilators

tortilla

littoral

clitoral