What Is Their Main Difference?
'Where,' 'were,' and 'wear' are different words but they have similar pronunciations. Their IPA is /wer/ and /wɜr/. The key difference between them is that each word has different meaning and parts of speech.
- 'Where' can function as an interrogative adverb.
- 'Where' can also be used as a relative adverb describes a noun. We use it to express location.
Are They Interchangeable?
No. They are not interchangeable. If you use them instead of each other, the meaning of the sentence will change and the audience may not understand the sentence.