Final answer:
The suffix -phonia refers to sound or voice, such as in the words 'telephonia' or 'euphonia'. It is not related to seeing. The -ed suffix in English denotes past tense and is pronounced differently depending on the preceding word.
Step-by-step explanation:
The suffix -phonia relates to sound or voice, which is not to be confused with seeing, as it may have been implied in the question. For instance, telephonia involves the transmission of sound or voice over distance. Other examples of uses of the suffix contain euphonia, which describes pleasant or harmonious sound, and dysphonia, which refers to a disorder affecting voice production. Understanding the meaning of suffixes like -phonia can help decode complex vocabulary and improve language comprehension.
Another suffix that often comes into play is -ed, which can be pronounced in different ways such as [d], [id], or [t], based on the preceding sounds in the words it modifies. For example, in the past tense of the verb obstruct, forming obstructed, the -ed is pronounced as [id]. Understanding how to pronounce these suffixes accurately is essential in mastering English pronunciation and diction.