The negative prefix is im- (improbable = unlikely).
There is also a rarely used term equiprobable.
The word probable itself is from prove+able and therefore has no prefix.
I'm probable
you cannot find any prefixes in the word POSSIBILITY... you can found only the suffix -lity... its root word is POSSIBLE...
the suffix is -ity. some other words that have this suffix are reliability, and responsibility
inconcievable. its called a dictionary.
improbable
possibles
possible
Improbable
Inprobable
A suffix is morpheme attached to the end of a word to create a new word. The suffix -ly is added to many adjectives to form an adverb.The adverb possibly is formed from the adjective possible and the suffix -ly.Also, when you are talking about a word (as opposed to using the word in the sentence) set it apart by putting it in quotation marks (like "possibly") or in italics (like possibly).
Neglectful combines "neglect" with the suffix "-ful".
-ic is the suffix. This suffix means in relation of.
The suffix is -tion. This suffix means the process of.
The suffix is -ate. This suffix means the condition of.
A possible prefix for "massive" could be "un-" as in "unmassive." A possible suffix could be "-ly" as in "massively."
A possible prefix for "govern" is "mis-" (misgovern) and a possible suffix is "-ment" (government).
One possible suffix for "tour" is "-ism", which can form the word "tourism".
A possible suffix for "miracle" could be "-ous," forming the word "miraculous."
One possible suffix for "demonstrate" is "-able," forming the word "demonstratable."
One possible suffix for intelligent is "-ence", which can form the word "intelligence".
A possible suffix for "trip" could be "-er", creating the word "tripper".
A possible suffix for "observe" is "-ation", which can create the noun "observation" from the verb "observe".
One possible suffix for "sermon" is "-ize," which can form the word "sermonize."
A possible suffix for the word "wrathful" could be "-ness." For example, "wrathfulness."
Ble.
A possible suffix for "cook" or "rook" could be "-er," as in cooker or rooker.