Denshi Jisho — Online Japanese dictionary

室 しつ 1: room;
2: (Obscure term) wife (of someone of high rank);
3: (Obscure term) scabbard;
4: Chinese "Encampment" constellation (one of the 28 mansions)
Common word, Noun, Noun suffix 
質 しつ quality
Common word, Noun, Noun suffix 
膝 ひざ knee; lap
Common word, Noun 
瑟 しつ se (ancient Chinese plucked zither, usu. with 25 or 23 strings)
Noun 
躾 しつけ discipline; training; teaching manners
Common word, Noun, No-adjective, Usually written using kana alone 
失意 しつい disappointment; despair; adversity
Common word, Noun, No-adjective 
質疑 しつぎ 1: question;
2: interpellation
Common word, Noun, Suru verb 
湿度 しつど level of humidity
Common word, Noun 
執務 しつむ performance of one's official duties
Common word, Noun, Suru verb 
膝行 いざり 1: crawling on the ground; shuffling one one's knees;
2: (Sensitive) cripple
Noun 
膝下 しっか 1: near one's knee; below one's knee;
2: under the protection of (e.g. one's parents); under the care of;
3: address used after the names of one's parents, grandparents, etc. in a letter
Noun 
膝窩 しっか popliteal fossa; popliteal space; area behind the knee
Noun, No-adjective 
歯痛 しつう toothache
Noun, No-adjective 
私通 しつう adultery; illicit intercourse
Noun, Suru verb 
失語 しつご forgetting the words; inability to pronounce a word correctly
Noun, Suru verb 
執事 しつじ 1: steward; butler;
2: court official;
3: deacon (Anglican, Lutheran, etc.)
Noun, No-adjective 
失保 しつほ unemployment insurance
Noun 
膝行る いざる to crawl; to shuffle along
Godan verb with ru ending, Intransitive verb 
仕付け しつけ 1: tacking (in needlework); basting;
2: planting (esp. rice seedlings);
3: discipline; training; teaching manners
Noun 
しつこい 1: insistent; obstinate; persistent; tenacious;
2: too rich (taste, etc.); fatty; heavy; greasy
Common word, Adjective 
湿原 しつげん marshy grassland; wetlands
Common word, Noun 
質的 しつてき qualitative
Common word, Na-adjective, Noun 
室内 しつない indoor; inside the room
Common word, Noun, No-adjective 
失望 しつぼう disappointment; despair
Common word, Noun, Suru verb 
失明 しつめい loss of eyesight
Common word, Noun, Suru verb 
質問 しつもん question; inquiry; enquiry
Common word, Noun, Suru verb, No-adjective 

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