Man pages matching name pod2::ja::mime::encwords in section 3pm:

POD2::JA::MIME::EncWords.3pm.en	debian 10 / libmime-encwords-perl
POD2::JA::MIME::EncWords.3pm.en	debian 11 / libmime-encwords-perl
POD2::JA::MIME::EncWords.3pm.en	debian 12 / libmime-encwords-perl