Denshi Jisho — Online Japanese dictionary

びぼう reminder
Noun 
ぼうが trance; ecstasy; enthusiasm
Noun, No-adjective 
わする to lose something
Godan verb with ru ending, Archaism 
けんぼう forgetfulness
Noun 
どわすれ lapse of memory; forgetting for a moment something one knows well; (something) slipping one's mind
Irregular okurigana usage, Noun, Suru verb 
ぼうおん ingratitude; thanklessness
Noun 
ぼうしつ lose; forget
Noun, Suru verb 
ぼうねん forgetting the hardships of the old year
Noun 
ぼうはち 1: customer at a brothel; john; someone who has forgotten the eight virtues;
2: brothel; owner of a brothel
Noun 
わすれお decorative gauze strap that hangs from the front left side of the kohimo when tying closed one's hanpi
Noun 
れる わすれる to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)
Common word, Ichidan verb, Transitive verb 
八屋 くつわや brothel
Noun, Archaism 
どわすれ lapse of memory; forgetting for a moment something one knows well; (something) slipping one's mind
Noun, Suru verb 
どわすれ lapse of memory; forgetting for a moment something one knows well; (something) slipping one's mind
Noun, Suru verb 
どわすれ lapse of memory; forgetting for a moment something one knows well; (something) slipping one's mind
Noun, Suru verb 
れ緒 わすれお decorative gauze strap that hangs from the front left side of the kohimo when tying closed one's hanpi
Noun 
ぼうきゃく lapse of memory; forgetfulness; oblivion
Common word, Noun, Suru verb 
どうわすれ lapse of memory; forgetting for a moment something one knows well; (something) slipping one's mind
Irregular okurigana usage, Noun, Suru verb 
ものわすれ forgetfulness
Irregular okurigana usage, Noun, Suru verb 
りょうぼう detachment from dichotomies; detachment from objectivity and subjectivity
Noun, Buddhist term, Obscure term 
りょうもう detachment from dichotomies; detachment from objectivity and subjectivity
Noun, Buddhist term, Obscure term 
れ物 わすれもの lost article; something forgotten
Common word, Noun 
おもわすれ failure to recognize someone; failure to recognise someone
Noun, Suru verb 
としわすれ year-end drinking party
Noun 
どうわすれ lapse of memory; forgetting for a moment something one knows well; (something) slipping one's mind
Noun, Suru verb 
びぼうろく notebook; memorandum
Noun 
ものわすれ forgetfulness
Noun, Suru verb 
れ草 わすれぐさ 1: (Usually written using kana alone) Hemerocallis fulva var. kwanso (variety of daylily);
2: tobacco
Noun 
れ霜 わすれじも late frost; frost in late spring
Noun 
れる ねわすれる to oversleep
Ichidan verb, Intransitive verb 
れる みわすれる to forget; to fail to recognize; to fail to recognise
Ichidan verb, Transitive verb 
己利他 もうこりた selflessness; selfless devotion to the service of others
Noun 
れがち わすれがち forgetful; oblivious of; negligent
Na-adjective, No-adjective, Usually written using kana alone 

Found 65 words. Page one, two

You can also

Look up kanji details for *忘*.

Try a Yahoo Jisho search for *忘* .
Try a Goo Jisho search for *忘* .
Try a Google search for *忘* .