Most of the prefixes are easy to figure out: ECON is Economics, PSYC is Psychological Sciences, and so forth. In the example above, ANTH means the course is offered by the Anthropology Department. The ...

For example, the chairs in the conference room were put there anyhow, there was no order. These words are not affected by adverb suffixes (the addition of letters or words ‘..ly’, ...

For example, sometimes you drop the letter ‘y’ and add an ‘i’ to the suffix ‘ful’: It’s useful to remember that very few suffixes end in a double ‘l’. For example, the suffix ...

When you add a suffixes and the second syllable of the new word is stressed, then you need to double the 'r'. For example, adding the suffix -ed to the word 'prefer': prefer + -ed → preferred ...