"They've a temper, some of them—particularly verbs: they're the proudest—adjectives you can do anything with, but not verbs—however, I can manage the whole lot of them! Impenetrability! That's what I say!" — Humpty Dumpty
__Noun__: a word that refers to a person, place, thing, event, substance or quality e.g.'nurse', 'cat', 'party', 'oil' and 'poverty'. __Verb__: a word or phrase that describes an action, condition or experience e.g. 'run', 'look' and 'feel'.
For example
MintGuess
If you need more omph, read Wikipedia's English Grammar page.