Antonyms using a prefix whiteboard

Antonyms using a prefix
An antonym is a word opposite in
meaning to another word.
A prefix is a word or letter placed before
a word to change its meaning.
By adding the prefix, "un", to happy,
it becomes unhappy.
Word wall: antonyms using a prefix
continue discontinue
legal illegal
patient impatient
complete incomplete
regular irregular
available unavailable
likely unlikely
social antisocial
Can you think of other examples?
Antonyms using a prefix
Adding the prefix, "anti": clockwise becomes, anticlockwise
Adding the prefix, "in": complete becomes, incomplete
Adding the prefix, "dis": order becomes, disorder
Adding the prefix, "ir": relevant becomes, irrelevant
Adding the prefix, "im": mobile becomes, immobile
Adding the prefix, "il": legal becomes, illegal
Adding the prefix, "un", to available, it becomes unavailable