peri, tele, micro
"Gyro" is the root word, while "scope" is the suffix in the word "gyroscope." In this case, the root word "gyro" means "circle" or "rotation," while the suffix "scope" means "to see" or "to watch."
In the word "inform", in- is a prefix. You could add the prefix mis- to it to get misinform.
A prefix is a group of letters added at the beginning of a word to change its meaning, such as adding "un-" to "happy" to make "unhappy".
The adding a prefix to the word "add" would result in the word "postadd".
You could add the prefix mis- to it to make the word misfits.
The prefix 'im' can added to make the word impolite.
"Possibility" doesn't have a prefix. You could add the prefix im- to it to make the word impossibility.
Pre-The prefix for prefix is pre; because it's before the root word fix.
un-
Misspelled
mis
asymmetricantisymmetric