In each set below, select the letter of the group in which all the words are spelled correctly. In which group are all of the words spelled correctly?

A) cowardise, nite, typical
B) dirtier, commonwealth, weakened
C) politeness, villain, enemys

In group B, all of the words are spelled correctly. "Dirtier," "commonwealth," and "weakened" have no spelling errors. In group A, "cowardise" is misspelled (correct spelling is "cowardice") and "nite" is a nonstandard spelling of "night." In group C, "enemys" is misspelled (correct spelling is "enemies"). "Politeness" and "villain" are spelled correctly.