the answer to this question is non-fiction
"Possibility" doesn't have a prefix. You could add the prefix im- to it to make the word impossibility.
You could add the prefix sur- to it to make the word surround.
"Patients" doesn't have a prefix. You could add the prefix in- to it to get the word inpatients.
The current prefix is im-. You could add the prefix un- to it to make the word unimportant.
You could add the suffix -s to it to make the word isles.
Prefix could be:MetaAltiMegaNeo
To add a prefix to the word "definitely," you could use "in-" to form "indefinitely."
"Possibility" doesn't have a prefix. You could add the prefix im- to it to make the word impossibility.
You could add the prefix af- to it to make the word affluent.
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You could add the prefix im- to it to make the word impossible.
You could add the prefix sur- to it to make the word surround.
In the word "inform", in- is a prefix. You could add the prefix mis- to it to get misinform.
"Patients" doesn't have a prefix. You could add the prefix in- to it to get the word inpatients.
The current prefix is im-. You could add the prefix un- to it to make the word unimportant.
"Social" doesn't have a prefix. You could add the prefix un- to it to make the word unsocial.
'Trace' does not have a prefix. You could add one, e.g. retrace or backtrace.