The suffix in president is -ent.
The "-ent" at the end, which indicates one who does something (in this case, one who presides).
Ah, isn't that a lovely question? The suffix for president is "-cy." It's like adding a little happy tree to the end of the word to give it that finishing touch. Just remember, there are no mistakes, only happy accidents in the world of words.
The suffix for undo is to not do.
the suffix is on
There is no suffix in misjudge.
The suffix is -er, meaning "one who campaigns."
The suffix of radiation is -tion. This suffix means the process of.
The suffix of inundate is -ate. This suffix means in condition of.
There is no suffix in the word through
The suffix is vert.
The suffix to incessantly is -ly.
Yes, the suffix is tion