lackluster - luster
( Lackluster is a compound adjective that means what it sounds like: if something is lackluster it lacks luster; in other words, it is without brilliance, shine, or vitality)
precocious - precocity
(Like many English words,precocious comes from Latin. The Latin prefix prae-, meaning "ahead of, before," and the verb coquere, meaning "to ripen, cook," were combined to form the adjective praecoc-, praecox, which meant "ripening early or before its time.")
carcass - carrion
(As nouns the difference between carcass and carrion is that carcass is of a dead animal while carrion is dead flesh)
witchcraft - witch and/or craft
(Old English - wiccecræft, from wicce (see witch) + cræft "power, skill")
Related link:
What are the different examples of suffix and its examples of sentences?-https://brainly.ph/question/107543