spellcheck

Etymology
.

Noun

 * 1) The act of spellchecking.
 * You'd better run another spellcheck now that you've written that extra chapter.
 * 1) A spellchecker.
 * My wordprocessor is supposed to have a spellcheck, but I don't know how to use it.

Verb

 * 1) To check that words in written text are properly spelled.
 * 2)  To run a spellchecker on (a document).