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

vilify

verily

really

unreal

uncles

sunlit

tonsil

slight

lights

No letters were changed for “lights.” Playing off “slight.”

knight

(pronounced “K-nig-ht”)

(Go away or I shall taunt you a second time!)

nights

(I fart in your general direction.)

stigma

(Now, this is just getting silly.)

gamete

magnet

magnum

humans

hummus

Summer

summit

summon