spoiler (suomeksi)

juonipaljastus (s: document, review or comment)
spoileri (s: auton ilmavirranohjain / document, review or comment / spoileri / slang / aeronautics: device to reduce lift / automobiles: device to reduce lift and increase downforce)
pilaaja (s: one who corrupts, mars, or renders useless)
ilonpilaaja (s: document, review or comment)