ペン
ペン · pen · JLPT N5 · noun
pen
🖊️ ペン = pen: a straight loanword from English, same sound, same meaning
Written in katakana, the script Japanese uses for borrowed foreign words. ペ is pe and ン is the final n, so it reads exactly like the English word. The katakana spelling itself is the clue that this is a loanword.