How can I insert lyrics for a chant? Similar to Gregorian chant, where there can be 2, 3, 6 or a dozen words to one note?
Press the Help button in the Lyric dialog box. In the help, it describes how you can use the underscore character in flexible ways. By separating several syllables with an underscore, the total will be treated as a single syllable when NWC aligns it up with a note.
See also: https://forum.noteworthycomposer.com/?topic=95, https://forum.noteworthycomposer.com/?topic=565, https://forum.noteworthycomposer.com/?topic=861