Nouns and Adjectives are most commonly used as base words, but almost any word may be used in this way.
Many of these created verbs have passed into common usage, such as telephone, email or damage.
Noun: Just Google it. (Somewhat common usage.)
Adjective: My job is to green our company. (i.e. to make it more environmentally friendly.)
Preposition: I versed him last night. (From versus.)
Acronym: But I did SMS him! (Also common usage.)