* Don't use "it begs the question". Instead use "it raises the question".

* Don't use phenomena or criteria as singular. Instead use phenomenon or criterion.

* Don't use cliché as an adjective. Instead use clichéd.

* Don't use comprised of. Instead use composed of/made up of.

* Don't use less for count nouns such as people or miles. Instead use fewer.

* Don't use penultimate (unless you mean second to last). Instead use ultimate.

* Don't use lead as past tense of to lead. Instead use led.

By Ben Yagoda