author vs joint author

Other hyponyms of author include abstracter, abstractor, alliterator, authoress, biographer, coauthor, commentator, reviewer, compiler, contributor, cyberpunk, drafter, dramatist, playwright, essayist, litterateur, folk writer, framer, gagman, gagster, gagwriter, ghost, ghostwriter, Gothic romancer, hack, hack writer, literary hack, journalist, librettist, lyricist, lyrist, novelist, pamphleteer, paragrapher, poet, polemic, polemicist, polemist, poetiser, poetizer, rhymer, rhymester, versifier, scenarist, scriptwriter, space writer, speechwriter, tragedian, wordmonger, word-painter, wordsmith.