忘れる【わすれる】
to forget, to leave carelessly, to be forgetful of, to forget about, to forget (an article)
忘年会【ぼうねんかい】
year-end party, "forget-the-year" party, bōnenkai
忘れ去る【わすれさる】
to forget completely, to leave behind
物忘れ【ものわすれ】
forgetfulness
置き忘れる【おきわすれる】
to leave behind, to misplace, to forget
忘却【ぼうきゃく】
lapse of memory, forgetting completely, (consigning to) oblivion
忘れ物【わすれもの】
lost article, thing left behind, leaving something behind, forgetting something