.
Similarly, what is the plural of email?
Here's the word you're looking for. The noun email can be countable or uncountable. In more general, commonly used, contexts, the plural form will also be email. However, in more specific contexts, the plural form can also be emails e.g. in reference to various types of emails or a collection of emails.
Secondly, are addresses correct? Correct spelling for the English word "Addresses" is [?d?ˈ?s?z], [?d?ˈ?s?z], [?_d_?_ˈ?_s_?_z]] (IPA phonetic alphabet).
Similarly, what is the plural of inch?
Here's the word you're looking for. The plural form of inch is inches.
What is the plural of roof?
"Roofs" is the plural of roof in all varieties of English. Rooves is an old secondary form, and it still appears occasionally by analogy with other irregular plurals such as hooves, but it is not common enough to be considered standard.