執筆【しっぴつ】
writing, authoring
筆者【ひっしゃ】
writer, author
鉛筆【えんぴつ】
pencil
筆記【ひっき】
(taking) notes, copying
随筆【ずいひつ】
essays, miscellaneous writings, literary jottings
万年筆【まんねんひつ】
fountain pen
自筆【じひつ】
one's own handwriting, autograph, holograph
毛筆【もうひつ】
(writing, painting) brush
文筆【ぶんぴつ】
literary art, literary activity, writing
肉筆【にくひつ】
one's own handwriting, autograph, as written with a brush
筆名【ひつめい】
alias, pseudonym, pen name, nom de plume