One or more letters or sounds added at the end of a word to modify the word's meaning, such as able, which changes sing into singable, for example. (noun)
to append (something) to the end of something else (verb)
Examples of word suffix
However, the whole point of this “- s” suffix is to turn a singular into a plural.
This suffix is used to indicate an act or process, or a thing acted upon or a condition.
The word titivate apparently was derived from tidy with a quasi-Latin suffix added.
When I use Mythweb to output a recording as an. mpg file (using the Direct Download button) the file ends up with a name suffix consisting of ". mpg..mpg.".
A plausible explanation may be that, when - oo occurs as a slang suffix rather than an infix (as in superoo for super or smasheroo for smash (er)), the primary stress of the word shifts from the first syllable to the last.