Homonym: -ing (Gerund)
The suffix "-ing" is commonly used in English to form the present participle of verbs. This form indicates ongoing actions or states, such as in the sentences "She is running fast" or "They are playing soccer." It can also be used as a gerund, which functions as a noun, as in "Swimming is fun."
Additionally, "-ing" can modify nouns to describe activities or processes, like in "cooking class" or "painting exhibition." This usage helps convey the nature of the activity associated with the noun, making it clear what type of action is being referred to.