No, the Word 'how' when used as a noun is a commonnoun; a general Word for the manner or method of doing something. Example:
- I see it but I don't see the how of it.
A proper noun is the name of a specific person, place, or thing; for example, the TV program, "How I Met Your Mother" or How Street, Haverhill, MA.
The
Word 'how' more commonly functions as an
adverb or a
conjunction; for example:
- How are you today? (adverb: you are how)
- I explained to them how to make the recipe. (conjunction)