Is the head of a note properly referred to as a note head, or a notehead? As far as I can determine, the Sibelius and Finale programs use the compound word in their interfaces and documentation, but the LilyPond documentation and the Wikipedia article use two separate words. I suspect that "notehead" is more commonly used, but I want to know what's more correct.
There are varying spellings of this found online such as note head and note-head. Based of the commonality of both dictionaries and usage generally accepted I would say the correct spelling would be notehead.
Elaine Gould's book http://www.behindbarsnotation.co.uk/ uses "notehead". That is a more credible authority than Wikipedia. See http://www.behindbarsnotation.co.uk/contents/sample_pages.pdf