pen
noun ˈpen
: an implement for writing or drawing with ink or a similar fluid
“writing implement,” late 13c., from Old French pene “quill pen; feather” (12c.) and directly from Latin penna “a feather, plume,” in plural “a wing,” in Late Latin, “a pen for writing,” from Old Latin petna, pesna, from pet-na-, suffixed form of root pet- “to rush; to fly”
pa·per
noun ˈpā-pər
: the material that is used in the form of thin sheets for writing or printing on, wrapping things, etc.
Mid-14c., from Anglo-French paper, Old French papier “paper, document,” from Latin papyrus “paper, paper made of papyrus stalks”