Cases of word usage

1) the sudden change from something interesting, noble etc to something ridiculous or insincere (often deliberately for humorous effect) (bathos)

2) (an example of) a form of drama dealing with everyday life in a humorous way and with a happy ending (comedy)

3) a humorous talker or writer (humorist)

4) a humorous or nonsense poem of five lines (limerick)

5) (also called 'a play on words') a humorous use of words which sound the same or of two meanings of the same word, e.g. 'The soldier laid down his arms' (pun)

6) a rough, quickly made drawing; a short account or description without details; a short humorous play or piece of writing (sketch)

7) a short piece of humorous writing making fun of a person, idea, style etc (skit)

8) intelligence; understanding; quickness of mind; a clever and humorous expression of ideas; liveliness of spirit (wit)

9) showing dislike; a humorous thought etc (wry)