Carelessness
Fearlessness
Forgetfulness
Restlessness
No, the words itself are not suffixes. However, each of the words have suffixes.
The -or implies the word will be a person. A couple words that use this are instructor and collector.
Survive & revive are words with the suffix "vive."
Use the link below to find words with suffixes.
The suffixes words of "convict" could be "convicted" and "conviction."
painful painless
They both have two suffixes, -tion and -al.
Some words with highlighted suffixes:activitybeautifulcarelessdevilishendingfondnesshorriblelovablematerialismnumbnessopennesspathologysymbolic
The suffixes of "mature" are "-ly" and "-ity", forming the words "maturely" and "maturity".
deny
The suffixes for "differ" are "-ent" and "-ence", which can be used to form the words "different" and "difference".
The common suffixes for the word "local" are "-ity," "-ly," and "-ize." These suffixes are used to form related words such as "locality," "locally," and "localize."