Which is correct afterward or afterwards?

Related questions

1. Which tense is used with before?
2. What is the difference between to and towards?
3. What do you mean by afterwards?
4. Is afterwards a adverb?
5. How can I use toward in English?
6. Is afterwards a preposition?
7. What tense do we use after?
8. Is it besides or beside?
9. What part of speech is afterwards?
10. What is thereupon?

Tags

1. #there
2. #afterwards
3. #english
4. #usage
5. #meaning
6. #difference
7. #whereas
8. #american
9. #british
10. #common
11. #canadian
12. #afterward
13. #between